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NASA to Kick Off 31st Annual Rover Competition
Tue, 08 Apr 2025 13:30:00 +0000
NASA’s annual Human Exploration Rover Challenge returns Friday, April 11, and Saturday, April 12, with student teams competing at the U.S. Space & Rocket Center’s Aviation Challenge course near the agency’s Marshall Space Flight Center in Huntsville, Alabama. Media are invited to watch as hundreds of students from around the world attempt to navigate a […]
Match ID: 0 Score: 10.00 source: www.nasa.gov age: 0 days
qualifiers: 10.00 school
Trump Appears to Be Targeting Muslim and “Non-White” Students for Deportation
Tue, 08 Apr 2025 13:03:13 +0000
Students from Muslim-majority countries as well as Asia and Africa are having their visas revoked with little or no explanation.
The post Trump Appears to Be Targeting Muslim and “Non-White” Students for Deportation appeared first on The Intercept.
She lost her job at Emerson College after screening a film critical of Israel. Her lawsuit seeks to leverage an unusual Massachusetts free speech law.
The post This College Staffer Lost Her Job After Showing a Film Critical of Israel. Now She’s Suing Over Free Speech. appeared first on The Intercept.
The University of Pennsylvania has been a target of Canary Mission, a pro-Israel “blacklist” group. Turns out the call was coming from inside the house.
The post Pro-Israel Group That Attacked UPenn Was Funded by Family of UPenn Trustee appeared first on The Intercept.
I accompanied one of the students who fled Trump’s crackdown. It gave me clarity on what’s at stake.
The post This Is Not About Antisemitism, Palestine, or Columbia. It’s Trump Dismantling the American Dream. appeared first on The Intercept.
Students from Muslim-majority countries as well as Asia and Africa are having their visas revoked with little or no explanation.
The post Trump Appears to Be Targeting Muslim and “Non-White” Students for Deportation appeared first on The Intercept.
Will Orr, head of The Gym Group, is riding a wave of growth as young people embrace exercise as something beneficial for more than just the body
If you have health-conscious friends, chances are you’ll have seen at least one posting online about a Hyrox race, the gruelling competitive circuit-training trend that has swept the fitness sector.
Will Orr knows a thing or two about it. His company, The Gym Group, has rolled out Hyrox training sessions to about half of its 245 sites and prides itself on being the biggest club for the discipline in the UK.
Continue reading...With the brand to disappear from town and city streets, readers share their memories of how it touched their lives
After 233 years, the household name of WH Smith will soon disappear from high streets and the stores will be rebranded under the fictitious “family” brand name TGJones.
The high street business, which employs 5,000 staff, will sell its 480 high street stores to the Hobbycraft owner, Modella Capital, but will retain its brand for travel shops in airports, railway stations and hospitals.
Continue reading...The Hands Off event proved Americans with a slew of different priorities can still form a broad left-liberal coalition
What is the point of street protest? This is the question I asked myself as I rode the bus downtown to San Francisco city hall, where activists were hosting a rally and march for Hands Off, a national day of action meant to collect a broad range of resistance to the Trump regime under one banner.
During the first Trump administration, I’d gone to these a lot. I’d attended the Women’s March in Washington in January of 2017, and felt myself crushed between the bodies of the hundreds of thousands of attenders; I’d held a sign at JFK airport, chanting “Immigrants are welcome here”, a few weeks later, when Trump instituted his travel ban. In 2020, I’d marched in Black Lives Matter protests, trying to avenge the horror I had felt when I’d seen videos of police officers killing Black men, often as they begged for their lives, played over and over again on the tiny screen of my phone. I’d inherited a brutal and ugly world, I felt, and it seemed urgent to say that I rejected it, that I felt the rage and grief of its injustice, and to be among other people who felt the same way.
Moira Donegan is a Guardian US columnist
Continue reading...Monica Feria-Tinta is one of a growing number of lawyers using the courts to make governments around the world take action
In November 2024, Monica Feria-Tinta, a veteran of UN tribunals and the international criminal court, strode through a heavy black door into a Georgian building in London’s august legal district for a meeting about a tree in Southend. Affectionately known as Chester, the 150-year-old plane tree towers over a bus shelter in the centre of the Essex seaside town. The council wanted to cut it down and residents were fighting back – but they were running out of options. Katy Treverton, a local campaigner, had travelled from Southend to ask Feria-Tinta’s legal advice. “Chester is one of the last trees left in this part of Southend,” said Treverton, sitting at a large table in an airy meeting room. “Losing him would be losing part of the city’s identity.”
Feria-Tinta nodded, deep-red fingernails clattering on her laptop as she typed. She paused and looked up. “Are we entitled to nature? Is that a human right? I would say yes. It’s not an easy argument, but it’s a valid one.” She recommended going to the council with hard data about the impact of trees on health, and how removing the tree could violate the rights of an economically deprived community. Recent rulings in the European court of human rights, she added, reinforced the notion that the state has obligations on the climate crisis. This set a legal precedent that could help residents defend their single tree in Southend. “It isn’t just a tree,” said Feria-Tinta. “More than that is at stake: a principle.”
Continue reading...Adam Gabbatt reports on the visa and green card-holders being held in US detention centres
“Border Patrol always had the right to grill people trying to enter the US, right,” Guardian US reporter Adam Gabbatt tells Michael Safi. “But from what we can tell now, Border Patrol agents are now much more likely to basically get into people’s business, so to search people’s devices, particularly mobile phones, and there seems to have been a real spike in the number of people being questioned and now detained. We’ve seen that with tourists, but also people on green cards and working visas.”
One of those people was Jasmine Mooney, a Canadian entrepreneur who had travelled to the US on a work visa many times.
Continue reading...Just weeks away from graduation, some international students at Arizona State University have been blocked from completing degrees.
The post At Least 50 Arizona State Students Have Now Had Visas Revoked, Lawyer Says appeared first on The Intercept.
Ministers and more than 70 MPs attended photo call with Yuan Yang and Abtisam Mohamed whose travel ban was called unacceptable
Cabinet ministers and more than 70 parliamentarians staged a show of solidarity with two MPs who were detained and barred from entry to Israel in what was the first time British MPs had been banned from the country.
The health secretary, Wes Streeting, and the chief secretary to the Treasury, Darren Jones, joined the photocall in Westminster Hall on Monday with the MPs, along with Hamish Falconer and housing minister Rushanara Ali. It was organised by the Rochdale MP Paul Waugh.
Continue reading...Clark Winter’s car photographs, taken during his travels around the globe, revel in nostalgia and reveal our strangely intimate relationships with our vehicles
Continue reading...The University of Pennsylvania has been a target of Canary Mission, a pro-Israel “blacklist” group. Turns out the call was coming from inside the house.
The post Pro-Israel Group That Attacked UPenn Was Funded by Family of UPenn Trustee appeared first on The Intercept.
Florida prosecutors say Michelle Taylor used gasoline to set a fire that killed her son. Top forensic chemists say they’re wrong.
The post The Arson Evidence Doesn’t Hold Up. Florida Is About to Convict Her for Murder Anyway. appeared first on The Intercept.
We would like to hear from parents about their children’s experiences of getting NHS dental treatment
According to a government report, nearly 50,000 tooth extractions took place last year in NHS hospitals in England for 0 to 19-year-olds, with 62% of those having a primary diagnosis of tooth decay.
We would like to hear from parents in England about their experiences of accessing NHS dental services for their children. Were you able to find somewhere locally or do you have to travel further afield? How easy have you found it to access care? We’re also interested in hearing from those whose children have had hospital tooth extractions recently.
Continue reading...From biking adventures to city breaks, get inspiration for your next break – whether in the UK or further afield – with twice-weekly emails from the Guardian’s travel editors. You’ll also receive handpicked offers from Guardian Holidays.
From biking adventures to city breaks, get inspiration for your next break – whether in the UK or further afield – with twice-weekly emails from the Guardian’s travel editors.
You’ll also receive handpicked offers from Guardian Holidays.
Continue reading...In Ulaanbaatar, coal fires heat almost every home. But as extreme weather drives families off the Mongolian steppes into the city the air is becoming more deadly
The eldest child was away training for the army when his family died in their sleep. All six of them, two adults and four children, were poisoned by carbon monoxide gas seeping out from their coal-fired stove into their home in Ulaanbaatar in January, the coldest month in the world’s coldest capital city.
Mongolians were touched by the tragedy but there was anger a month later when, during a two-day parliamentary hearing forced by a public petition against pollution levels, the government released figures showing there had been 779 deaths from carbon monoxide poisoning in the country in the past seven years. By 19 February, when a couple in their 40s were found lifeless in their bed, that number had risen to 811.
Continue reading...Move is aimed at addressing rise in power demand for datacenters, AI and EVs, but environmentalists say it is a step back
Donald Trump is expected to sign executive orders on Tuesday aimed at reviving coal, the dirtiest fossil fuel that has long been in decline, and which substantially contributes to planet-heating greenhouse gas emissions and pollution.
Environmentalists expressed dismay at the news, saying that Trump was stuck in the past and wanted to make utility customers “pay more for yesterday’s energy”.
Continue reading...The Duchess of Sussex fawns over entrepreneur guests and delivers overwrought messages to listeners, while claiming her lifestyle brand is ‘an extension of my essence’. It's a bit much
Remember the girl boss? She burst in to the zeitgeist in the 2010s, riding the era’s nebulous wave of female empowerment and proving that women could become incredibly rich by helming capitalist empires – just like men. Branding-wise, she had some issues: beginning with that infantile moniker and peaking with a series of toxic workplace scandals. This – combined with the fact that celebrating corporate greed took on an even more nauseating hue post-pandemic – means we haven’t heard from her for quite a while.
Yet this new podcast from Meghan, Duchess of Sussex, is alive with the spirit of the girl boss. Confessions of a Female Founder with Meghan sees the royal quiz ladies on how they made their fortunes: starting with Whitney Wolfe Herd, the founder and CEO of the dating app Bumble, who was once the world’s youngest self-made female billionaire. Meghan has a vested interest in such success stories – hot on the heels of her Netflix series, With Love, Meghan, the self-styled lifestyle guru is launching a business of her own. As ever sells preserves, teas and those dried flowers she sprinkled on a vegetable frittata in the TV show, much to her guest Mindy Kaling’s amusement. But As ever is more than a money-making scheme: it is, as our host puts it on this podcast, “an extension of my essence”.
Continue reading...Intelligence reports warn law enforcement about “acts of violence against electric vehicles” and the danger of battery fires.
The post Police Across the Country Are on High Alert Over Tesla Protests appeared first on The Intercept.
Defense Secretary Pete Hegseth boasts he’s nixing contracts and grants amid DOGE’s cost-cutting campaign. But those trims won’t hit SpaceX.
The post DOGE’s Pentagon Budget Cuts Don’t Touch Elon Musk’s SpaceX appeared first on The Intercept.
Florida prosecutors say Michelle Taylor used gasoline to set a fire that killed her son. Top forensic chemists say they’re wrong.
The post The Arson Evidence Doesn’t Hold Up. Florida Is About to Convict Her for Murder Anyway. appeared first on The Intercept.
Net zero is a target that countries should be striving for to stop the climate crisis. But beyond the buzzword, it is a complex scientific concept – and if we get it wrong, the planet will keep heating.
Biodiversity and environment reporter Patrick Greenfield explains how a loophole in the 2015 Paris climate agreement allows countries to cheat their net zero targets through creative accounting, and how scientists want us to fix it
Continue reading...
SEMrush and Ahrefs are among
the most popular tools in the SEO industry. Both companies have been in
business for years and have thousands of customers per month.
If you're a professional SEO or trying to do digital
marketing on your own, at some point you'll likely consider using a tool to
help with your efforts. Ahrefs and SEMrush are two names that will likely
appear on your shortlist.
In this guide, I'm going to help you learn more about these SEO tools and how to choose the one that's best for your purposes.
What is SEMrush?
SEMrush is a popular SEO tool with a wide range of
features—it's the leading competitor research service for online marketers.
SEMrush's SEO Keyword Magic tool offers over 20 billion Google-approved
keywords, which are constantly updated and it's the largest keyword database.
The program was developed in 2007 as SeoQuake is a
small Firefox extension
Features
Ahrefs is a leading SEO platform that offers a set of
tools to grow your search traffic, research your competitors, and monitor your
niche. The company was founded in 2010, and it has become a popular choice
among SEO tools. Ahrefs has a keyword index of over 10.3 billion keywords and
offers accurate and extensive backlink data updated every 15-30 minutes and it
is the world's most extensive backlink index database.
Features
Direct Comparisons: Ahrefs vs SEMrush
Now that you know a little more about each tool, let's
take a look at how they compare. I'll analyze each tool to see how they differ
in interfaces, keyword research resources, rank tracking, and competitor
analysis.
User Interface
Ahrefs and SEMrush both offer comprehensive information
and quick metrics regarding your website's SEO performance. However, Ahrefs
takes a bit more of a hands-on approach to getting your account fully set up,
whereas SEMrush's simpler dashboard can give you access to the data you need
quickly.
In this section, we provide a brief overview of the elements
found on each dashboard and highlight the ease with which you can complete
tasks.
AHREFS
The Ahrefs dashboard is less cluttered than that of
SEMrush, and its primary menu is at the very top of the page, with a search bar
designed only for entering URLs.
Additional features of the Ahrefs platform include:
SEMRUSH
When you log into the SEMrush Tool, you will find four
main modules. These include information about your domains, organic keyword
analysis, ad keyword, and site traffic.
You'll also find some other options like
Both Ahrefs and SEMrush have user-friendly dashboards,
but Ahrefs is less cluttered and easier to navigate. On the other hand, SEMrush
offers dozens of extra tools, including access to customer support resources.
When deciding on which dashboard to use, consider what
you value in the user interface, and test out both.
If you're looking to track your website's search engine
ranking, rank tracking features can help. You can also use them to monitor your
competitors.
Let's take a look at Ahrefs vs. SEMrush to see which
tool does a better job.
The Ahrefs Rank Tracker is simpler to use. Just type in
the domain name and keywords you want to analyze, and it spits out a report
showing you the search engine results page (SERP) ranking for each keyword you
enter.
Rank Tracker looks at the ranking performance of
keywords and compares them with the top rankings for those keywords. Ahrefs
also offers:
You'll see metrics that help you understand your
visibility, traffic, average position, and keyword difficulty.
It gives you an idea of whether a keyword would be
profitable to target or not.
SEMRush offers a tool called Position Tracking. This
tool is a project tool—you must set it up as a new project. Below are a few of
the most popular features of the SEMrush Position Tracking tool:
All subscribers are given regular data updates and
mobile search rankings upon subscribing
The platform provides opportunities to track several
SERP features, including Local tracking.
Intuitive reports allow you to track statistics for the
pages on your website, as well as the keywords used in those pages.
Identify pages that may be competing with each other
using the Cannibalization report.
Ahrefs is a more user-friendly option. It takes seconds
to enter a domain name and keywords. From there, you can quickly decide whether
to proceed with that keyword or figure out how to rank better for other
keywords.
SEMrush allows you to check your mobile rankings and
ranking updates daily, which is something Ahrefs does not offer. SEMrush also
offers social media rankings, a tool you won't find within the Ahrefs platform.
Both are good which one do you like let me know in the comment.
Keyword research is closely related to rank tracking,
but it's used for deciding which keywords you plan on using for future content
rather than those you use now.
When it comes to SEO, keyword research is the most
important thing to consider when comparing the two platforms.
The Ahrefs Keyword Explorer provides you with thousands
of keyword ideas and filters search results based on the chosen search engine.
Ahrefs supports several features, including:
SEMrush's Keyword Magic Tool has over 20 billion
keywords for Google. You can type in any keyword you want, and a list of
suggested keywords will appear.
The Keyword Magic Tool also lets you to:
Both of these tools offer keyword research features and
allow users to break down complicated tasks into something that can be
understood by beginners and advanced users alike.
If you're interested in keyword suggestions, SEMrush
appears to have more keyword suggestions than Ahrefs does. It also continues to
add new features, like the Keyword Gap tool and SERP Questions recommendations.
Both platforms offer competitor analysis tools,
eliminating the need to come up with keywords off the top of your head. Each
tool is useful for finding keywords that will be useful for your competition so
you know they will be valuable to you.
Ahrefs' domain comparison tool lets you compare up to five websites (your website and four competitors) side-by-side.it also shows you how your site is ranked against others with metrics such as backlinks, domain ratings, and more.
Use the Competing Domains section to see a list of your
most direct competitors, and explore how many keywords matches your competitors
have.
To find more information about your competitor, you can
look at the Site Explorer and Content Explorer tools and type in their URL
instead of yours.
SEMrush provides a variety of insights into your
competitors' marketing tactics. The platform enables you to research your
competitors effectively. It also offers several resources for competitor
analysis including:
Traffic Analytics helps you identify where your
audience comes from, how they engage with your site, what devices visitors use
to view your site, and how your audiences overlap with other websites.
SEMrush's Organic Research examines your website's
major competitors and shows their organic search rankings, keywords they are
ranking for, and even if they are ranking for any (SERP) features and more.
The Market Explorer search field allows you to type in
a domain and lists websites or articles similar to what you entered. Market
Explorer also allows users to perform in-depth data analytics on These
companies and markets.
SEMrush wins here because it has more tools dedicated to
competitor analysis than Ahrefs. However, Ahrefs offers a lot of functionality
in this area, too. It takes a combination of both tools to gain an advantage
over your competition.
When it comes to keyword data research, you will become
confused about which one to choose.
Consider choosing Ahrefs if you
Consider SEMrush if you:
Both tools are great. Choose the one which meets your
requirements and if you have any experience using either Ahrefs or SEMrush let
me know in the comment section which works well for you.
Use them up in fishcakes, roll them into balls, use them to thicken soups … the possibilities are almost too numerous to mention, but our culinary experts have had a go anyway
How can I turn leftover cooked potatoes – mashed, roasted, boiled – into dinner?
This sounds like a job for queen of spuds Poppy O’Toole, whose latest book just so happens to be all about the tuber. We all know that mashed potatoes can cause heated debate, with smooth and buttery making some folk purr, while others prefer a bit of texture, and this also affects what you do with any spares. “It can be difficult to use leftover mash, because many recipes depend on how creamy you like it to begin with,” says the author of The Potato Book, although she says one “surefire way” begins by putting a good splash of olive oil in a frying pan on a medium-low heat. “Fry two chopped spring onions [green bits and all] until soft, add the leftover mash, and fry until hot and almost caramelising.” Season, and you’ve got a great base for all sorts.
Alternatively, O’Toole might mix her mash with a handful of crumbled feta, some cooked and squeezed spinach, a pinch of chilli flakes, a little grated nutmeg and lemon zest, plus salt and pepper. “Divide into pingpong ball-sized portions, then wrap in filo glued together with a touch of water. Shallow fry in oil until golden and crisp all over.” Perhaps the easiest solution of all, though, is to use excess mash to thicken soups: “Sweat some leeks, add the mash, season and cover with vegetable stock and 100ml whipping cream,” says O’Toole, who then cooks the lot for 30 minutes before tucking in with a good hunk of bread.
Got a culinary dilemma? Email feast@theguardian.com
Continue reading...President speaks in White House framed by coal miners
The European Union still wants to avoid a trade war with the United States despite Donald Trump’s administration’s rejection of the “zero for zero” offer on all industrial goods put forward by Brussels, an EU spokesperson told reporters on Tuesday.
White House trade adviser Peter Navarro said on Monday that the European Union needed to lower its non-tariff barriers, including those created by value-added taxes and food safety regulations, if it wanted to reach a deal.
Continue reading...Robert F Kennedy Jr and social media influencers are proponents of the ingredient – but is it worth the hype?
In March, the health secretary Robert F Kennedy Jr claimed that beef tallow, an animal fat, is healthier than its plant-based alternative, seed oils. Kennedy said the US wants food companies to “switch traditional ingredients for beef tallow”. Some, like Steak ’n Shake and Sweetgreen, have already done so.
Beef tallow, also known as “beef drippings”, is made by removing, simmering, then cooling the fatty tissue that surrounds cows’ organs. American fast-food restaurants used it to deep fry foods like potatoes until the 1990s, when they switched to seed oils. Today, it can be found in soaps, candles and skin care.
Continue reading...Pouring water slowly, steadily and from height is key to achieving ‘avalanche’ mixing effect
Forget expensive beans and pricey filters – if you want a stronger cup of pour-over coffee, just add water slowly, steadily and from a height, researchers say.
While there are myriad ways to make coffee – from moka pots to cafetieres and barista-style machines – pour-over coffee is an everyday staple for many. Now scientists say they have discovered how to make a stronger cup using the same quantity of ground coffee.
Continue reading...Drink removed from draft list after lobbying from whiskey-making Ireland and wine-producing Italy and France
Amid the economic maelstrom of Donald Trump’s trade war, drink makers might take a small drop of comfort: the EU has dropped plans to hit American bourbon with retaliatory tariffs.
Bourbon and other US whiskeys have escaped EU countermeasures after heavy lobbying from the EU’s drinks-producing countries – such as whiskey-making Ireland and the wine behemoths Italy and France – who feared their alcohol industries would become casualties of a global trade war.
Continue reading...A soothing treat to start the day – or finish supper with. Just be sure to use perfectly ripe mangoes
Blueberries actually have a pinch of acidity that helps lift this rather mild and soothing puréed mango.
I like to use a thick, strained Greek-style yoghurt here, and only partially mix it into the purée to leave some attractive swirls of it marbled through the fool.
Continue reading...The creamy pistachio bar is all over TikTok, but good luck trying to find it in shops. Connoisseurs, market-watchers and the woman who invented it discuss its sudden rush to fame
I stand in my local Lidl, staring gloomily at the chocolate bars. The man beside me seems similarly disappointed. “Are you looking for the Dubai chocolate?” he asks. It might be kept behind the till, I say, given how precious and popular it is. He stops the security guard and she looks at us sympathetically. No chance, she says. They sold out in hours.
If you don’t spend your life on TikTok, the latest viral food trend may have passed you by. But you won’t escape it for long. “Dubai chocolate” has gone mainstream.
Continue reading...Fried fish, served with greens or a salad, makes for a delicious light meal in minutes
Frying a piece of fish has a bit of a bad rep, and I’m not really sure why; you can have a deeply delicious and light meal in less than 10 minutes (though that, of course, also depends on its accompaniments). If I don’t want anything too hearty, I’ll often serve it with greens or a salad, so it really is a quick turnaround. I love this simple brown butter caper dressing, because it doesn’t overpower the fish. However, if you want something a little punchier, add a spoonful of harissa to the mix.
Continue reading...From planning ahead and avoiding freezer burn to creating flavour bombs in ice trays, here are some expert tips
Preparing meals in advance and portioning out meat, fruit and vegetables to be frozen can save money, avoid waste and cut the time you spend cooking.
Continue reading...We asked experts on what are the benefits and risks of taking the highly touted supplement. This is what they said
Fish oil is a perennial wellness topic, partly because there’s so much conflicting information.
“People perceive fish oil to be a wonder supplement,” says Amelia Sherry, clinical nutrition coordinator at the Mount Sinai hospital.
Continue reading...This week: what happens to products after we review them; spring gardening gear; and anti-ageing essentials (including sunscreen)
At the Filter, we test a LOT of products. We’ve put everything from mattresses to treadmills through their paces to try to help you make better-informed shopping decisions. However, that means our expert testers can accumulate a lot of products. After all, you can’t find the best air fryer without taking a few for a spin. So, with sustainability – as well as journalistic independence, unswayed by promises of freebies – in mind, we’ve always promised to return samples to the manufacturer after testing or, where that’s not possible, donate them to good causes.
That’s where I come in. As the Filter’s researcher, it’s my job to not only help find and source products but also rehome them when they’re finished with. I’ve been tasked with getting everything, from blenders to electric toothbrushes and even food, from writers’ homes across the country to charities that can benefit from them the most.
Anti-ageing products that actually work: Sali Hughes on the 30 best serums, creams and treatments
‘Cute, but doesn’t taste too good’: the best (and worst) Easter chocolate treats, tested
Continue reading...From bunnies to, er, squirrels and croissants, these Easter chocs are a cute alternative to traditional eggs. But are they any good? Our in-house chocolate fiend finds out …
• The best stand mixers to make baking easier
I’m a big chocolate lover, and Easter is as good a time as any to branch out, try something new and spend a few extra pounds on something special. While the wheel doesn’t need reinventing, it’s been particularly fun to see a lot more unconventional shapes popping up this year.
For my ideal Easter egg, I look for something made with good-quality chocolate that isn’t sickly sweet. For milk chocolate, I like at least 40% cocoa solids, and for dark 60%. Anything much higher than that can be a bit intense for an Easter egg, and almost too grownup – after all, it still needs to be fun! Personally, I lean towards chocolate with a bit of texture and added crunch to keep things interesting, and good thickness is always a winner.
Continue reading...What happens when western billionaires try to ‘fix’ hunger in developing countries? Neelam Tailor investigates how philanthropic efforts by the Gates Foundation, the Rockefeller Foundation and the organisation they set up to revolutionise African farming, the Alliance for a Green Revolution in Africa (Agra), may have made matters worse for the small-scale farmers who produce 70% of the continent's food.
From seed laws that criminalise traditional practices to corporate partnerships with agribusiness giants such as Monsanto and Syngenta, we explore how a well-funded green revolution has led to rising debt, loss of biodiversity and deepening food insecurity across the continent
Continue reading...A weekly email from Yotam Ottolenghi, Meera Sodha, Felicity Cloake and Rachel Roddy, featuring the latest recipes and seasonal eating ideas
Each week we’ll send you an exclusive newsletter from our star food writers. We’ll also send you the latest recipes from Yotam Ottolenghi, Nigel Slater, Meera Sodha and all our star cooks, stand-out food features and seasonal eating inspiration, plus restaurant reviews from Grace Dent and Jay Rayner.
Sign up below to start receiving the best of our culinary journalism in one mouth-watering weekly email.
Continue reading...Plastics are everywhere, but their smallest fragments – nanoplastics – are making their way into the deepest parts of our bodies, including our brains and breast milk.
Scientists have now captured the first visual evidence of these particles inside human cells, raising urgent questions about their impact on our health. From the food we eat to the air we breathe, how are nanoplastics infiltrating our systems?
Neelam Tailor looks into the invisible invasion happening inside us all
Continue reading...Style, with substance: what’s really trending this week, a roundup of the best fashion journalism and your wardrobe dilemmas solved, direct to your inbox every Thursday
Style, with substance: what’s really trending this week, a roundup of the best fashion journalism and your wardrobe dilemmas solved, delivered straight to your inbox every Thursday
Explore all our newsletters: whether you love film, football, fashion or food, we’ve got something for you
Continue reading... |
Imagine a world in which you can do transactions and many other things without having to give your personal information. A world in which you don’t need to rely on banks or governments anymore. Sounds amazing, right? That’s exactly what blockchain technology allows us to do.
It’s like your computer’s hard drive. blockchain is a technology that lets you store data in digital blocks, which are connected together like links in a chain.
Blockchain technology was originally invented in 1991 by two mathematicians, Stuart Haber and W. Scot Stornetta. They first proposed the system to ensure that timestamps could not be tampered with.
A few years later, in 1998, software developer Nick Szabo proposed using a similar kind of technology to secure a digital payments system he called “Bit Gold.” However, this innovation was not adopted until Satoshi Nakamoto claimed to have invented the first Blockchain and Bitcoin.
A blockchain is a distributed database shared between the nodes of a computer network. It saves information in digital format. Many people first heard of blockchain technology when they started to look up information about bitcoin.
Blockchain is used in cryptocurrency systems to ensure secure, decentralized records of transactions.
Blockchain allowed people to guarantee the fidelity and security of a record of data without the need for a third party to ensure accuracy.
To understand how a blockchain works, Consider these basic steps:
Let’s get to know more about the blockchain.
Blockchain records digital information and distributes it across the network without changing it. The information is distributed among many users and stored in an immutable, permanent ledger that can't be changed or destroyed. That's why blockchain is also called "Distributed Ledger Technology" or DLT.
Here’s how it works:
And that’s the beauty of it! The process may seem complicated, but it’s done in minutes with modern technology. And because technology is advancing rapidly, I expect things to move even more quickly than ever.
Even though blockchain is integral to cryptocurrency, it has other applications. For example, blockchain can be used for storing reliable data about transactions. Many people confuse blockchain with cryptocurrencies like bitcoin and ethereum.
Blockchain already being adopted by some big-name companies, such as Walmart, AIG, Siemens, Pfizer, and Unilever. For example, IBM's Food Trust uses blockchain to track food's journey before reaching its final destination.
Although some of you may consider this practice excessive, food suppliers and manufacturers adhere to the policy of tracing their products because bacteria such as E. coli and Salmonella have been found in packaged foods. In addition, there have been isolated cases where dangerous allergens such as peanuts have accidentally been introduced into certain products.
Tracing and identifying the sources of an outbreak is a challenging task that can take months or years. Thanks to the Blockchain, however, companies now know exactly where their food has been—so they can trace its location and prevent future outbreaks.
Blockchain technology allows systems to react much faster in the event of a hazard. It also has many other uses in the modern world.
Blockchain technology is safe, even if it’s public. People can access the technology using an internet connection.
Have you ever been in a situation where you had all your data stored at one place and that one secure place got compromised? Wouldn't it be great if there was a way to prevent your data from leaking out even when the security of your storage systems is compromised?
Blockchain technology provides a way of avoiding this situation by using multiple computers at different locations to store information about transactions. If one computer experiences problems with a transaction, it will not affect the other nodes.
Instead, other nodes will use the correct information to cross-reference your incorrect node. This is called “Decentralization,” meaning all the information is stored in multiple places.
Blockchain guarantees your data's authenticity—not just its accuracy, but also its irreversibility. It can also be used to store data that are difficult to register, like legal contracts, state identifications, or a company's product inventory.
Blockchain has many advantages and disadvantages.
I’ll answer the most frequently asked questions about blockchain in this section.
Blockchain is not a cryptocurrency but a technology that makes cryptocurrencies possible. It's a digital ledger that records every transaction seamlessly.
Yes, blockchain can be theoretically hacked, but it is a complicated task to be achieved. A network of users constantly reviews it, which makes hacking the blockchain difficult.
Coinbase Global is currently the biggest blockchain company in the world. The company runs a commendable infrastructure, services, and technology for the digital currency economy.
Blockchain is a decentralized technology. It’s a chain of distributed ledgers connected with nodes. Each node can be any electronic device. Thus, one owns blockhain.
Bitcoin is a cryptocurrency, which is powered by Blockchain technology while Blockchain is a distributed ledger of cryptocurrency
Generally a database is a collection of data which can be stored and organized using a database management system. The people who have access to the database can view or edit the information stored there. The client-server network architecture is used to implement databases. whereas a blockchain is a growing list of records, called blocks, stored in a distributed system. Each block contains a cryptographic hash of the previous block, timestamp and transaction information. Modification of data is not allowed due to the design of the blockchain. The technology allows decentralized control and eliminates risks of data modification by other parties.
Blockchain has a wide spectrum of applications and, over the next 5-10 years, we will likely see it being integrated into all sorts of industries. From finance to healthcare, blockchain could revolutionize the way we store and share data. Although there is some hesitation to adopt blockchain systems right now, that won't be the case in 2022-2023 (and even less so in 2026). Once people become more comfortable with the technology and understand how it can work for them, owners, CEOs and entrepreneurs alike will be quick to leverage blockchain technology for their own gain. Hope you like this article if you have any question let me know in the comments section
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