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Posted By educratsweb.comScience 👁 751 (01 Oct 2020)

'Zero emissions' hydrogen plane test was part powered by fossil fuels


The first test flight of a hydrogen passenger plane, which was billed as an important move away from fossil fuels, ran on fuel produced in large part by fossil fuels, the company behind the plane has admitted [...]

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A fleet of drones can be controlled by one person with a smartphone


MultiFlyer lets one smartphone control a fleet of drones, which could be used for building inspections, crop surveys or search and rescue missions [...]

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World leaders pledge to protect nature – will it make a difference?


The sheer number of global leaders pledging to protect nature at a virtual UN biodiversity summit is progress – but we need more than warm words to limit habitat loss and species extinction [...]

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What should a second coronavirus lockdown look like in Europe?


As cases rise across Western Europe, are second lockdowns inevitable? If so, what should they look like and will they be different to last time? [...]

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Covid-19 news: UK MPs to be given more say on new coronavirus measures


The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic [...]

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Most Zoombombing is not done by external hackers – they're inside jobs


Zoombombing, a kind of virtual gatecrashing that has been used to spread harassment and hate speech, has become a serious problem during the pandemic. An analysis of this behaviour shows the majority of Zoombombers get access from insiders rather than hacking in [...]

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Why we're in for a long wait to hear from intelligent aliens


Hints of bacteria on Venus are encouraging, but finding life beyond Earth is the easy part. A new analysis suggests the evolution of human-like intelligence on another planet is more improbable than we like to imagine [...]

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We may be able to tell someone's heart rate just by looking at them


Researchers asked volunteers to match an on-screen heart rate to videos of people's faces, and the participants were able to guess better than chance. It could be that this ability helps us judge other people's emotions [...]

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Surgical device inspired by parasitic wasps could extract bits of you


Parasitic wasps use a long, thin, tubular organ to implant eggs in their victims. A device inspired by this organ could make it easier and less painful to remove tumours, blood clots or even whole organs [...]

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Nearly half of all plants could be wiped out in 'age of extinction'


A report has found that 40 per cent of the world's plants are at risk of extinction, twice as many as previously thought [...]

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Nearly blind mole rats use their eyes to detect magnetic fields


Ansell’s mole rats are nearly blind but their eyes still come in handy. They have a sensor for magnetic fields, similar to those in birds, which the mole rats use to orient their nests [...]

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Inside one of Australia's super-strict coronavirus quarantine hotels


Perth and other Australian cities have some of the world’s strictest quarantine policies. Donna Lu reports from quarantine as Australia successfully quashes its second wave of covid-19 [...]

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D-Wave claims it has the world's most powerful quantum computer


D-Wave calls its new Advantage quantum computing system “the largest and most powerful quantum computer in existence” – but experts are sceptical about that claim [...]

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The immune system: How to boost it and lower your immune age


Your immune system stands between you and deadly infections. But as you get older, so does your immune age, making you more susceptible to disease. [...]

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Europe's second covid-19 wave is here but is it bigger than the first?


Several countries are reporting more daily covid-19 cases than during the first wave in March, though the higher numbers may be due to more people being tested [...]

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The Social Dilemma review: How big tech companies use us for profit


Netflix documentary The Social Dilemma examines the ways in which big tech companies manipulate human attention for profit [...]

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Let the coronavirus spread among young people? It’s not a good idea


As a rise in cases of covid-19 is met with anti-lockdown protests, a small minority are arguing that we should let the virus rip through the young and healthy [...]

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Coronavirus death toll reaches 1 million – how did we get here?


Despite a global health response, the coronavirus pandemic has claimed a million lives since it first emerged in Wuhan, China. How did we get here? [...]

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Wildfire nightmare captured in harrowing image of California burning


This image is a terrible reminder of the US wildfire crisis. Here it rages by California's Bidwell Bar Bridge, which spans Oroville Lake in Butte County [...]

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Mars’s south pole may have an underground lake surrounded by ponds


The south pole of Mars may be hiding a cold lake of liquid water surrounded by ponds, all buried 1400 metres beneath the planet’s ice caps [...]

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Hope Frozen review: The hard ethics of cryogenically freezing a child


Netflix’s Hope Frozen documentary follows a family in Thailand that cryogenically freezes their 2-year-old daughter’s brain after she dies, creating a controversy-fuelled media storm [...]

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The paleo diet may make your biological age older than your real age


A new way of calculating biological age based on the bacteria in our gut has thrown up some surprising results, including that people on the paleo diet are biologically almost two years older than their real age [...]

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Utopia review: A 'gnarly, nasty' thriller about a dystopian comic book


Amazon Prime chiller Utopia is as "gnarly, nasty, raw and unnerving" as Gone Girl screenwriter Gillian Flynn envisaged, especially when it draws parallels with the threats of our times [...]

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How a 6-year-old had half his brain removed and recovered in 3 months


David Eagleman's book Livewired explores neuroplasticity, the brain's superpower, which lets it reshape after extreme surgery and adapt to losing a sense [...]

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Ratched review: Netflix show fails with stereotypes of mental health


Netflix's thriller about Nurse Ratched does well to remove much of the misogyny present in the book and film that created her, but it also peddles harmful stereotypes about mental health [...]

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Tiny algae can photosynthesise and grow in the dark beneath Arctic ice


Microscopic marine algae can use even the smallest amount of reflected light to grow in near darkness during winter under the Arctic sea ice [...]

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Magnetic microbots can hook up brain cells to make a neural network


Tiny robots that can transport individual neurons and connect them to form active neural circuits could help us study brain disorders such as Alzheimer's disease [...]

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Radiation exposure on the moon is nearly three times that on the ISS


Astronauts on the moon would face 2.6 times more radiation exposure than those aboard the International Space Station, which could make long-term missions riskier than thought [...]

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When things look bleak, thinking in terms of ‘hope horizons’ can help


With wildfires raging, the outlook looks bleak from San Francisco. Thinking about the future in terms of “hope horizons” can help, writes Annalee Newitz [...]

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Rapid evolution due to extreme climate events could lead to extinction


Extreme events can skew evolution in a way that helps drives small, vulnerable populations to extinction, and global warming is making such events more common [...]

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When did the coronavirus really reach the US and Europe?


While there may have been a few cases outside Wuhan as early as December, it appears the virus did not become widespread until months later [...]

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Coronavirus lockdown changed how birds sing in San Francisco


The uniquely quiet circumstances of the covid-19 restrictions in San Francisco saw birds respond by lowering their pitch, singing sexier songs and making their songs clearer [...]

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Carbon ribbons a few atoms wide could help make powerful computers


Researchers have developed tiny wires made entirely of carbon, a key advance on the path to developing carbon computers and smartphones [...]

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New species of tiny ‘fairy shrimp’ found in the world’s hottest desert


Tiny shrimp have been found living in Iran’s Lut desert, which has reached temperatures above 80°C. These shrimp have eggs that lay dormant for years when water is scarce [...]

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How to use plants to turn your home into a green building


Planting climbers like ivy can cover ugly walls, insulate your home and support local wildlife – and keeping it under control is easier than you would think, writes Clare Wilson [...]

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The absurd QAnon conspiracy theory is expanding into science denial


A harmful political conspiracy theory is now embracing science denial. Combating it is important, but it won't be easy, writes Graham Lawton [...]

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Safe, extra long-life nuclear batteries could soon be a reality


An upgrade on the tech that powers spacecraft across the cosmos could soon be used to create incredibly long-lasting batteries back on Earth [...]

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The longest whale dive ever recorded clocks in at almost 4 hours


A Cuvier's beaked whale did a dive lasting 3 hours and 42 minutes, breaking the previous record by an hour. How they manage to hold their breath for such long periods is not understood [...]

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Astronomers may have found the first planet in another galaxy


The first planet found outside the Milky Way may be in the Whirlpool galaxy, 28 million light years away. If it is confirmed, it would be the most distant planet ever spotted [...]

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A robot called Curly beat top-ranked athletes at curling


Curly is a robot with a camera arm and wheels that uses AI to assess the best strategy for playing the game of curling – and it beat top-ranked players [...]

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Blood test could reveal if you will experience the placebo effect


People who respond to the placebo effect have proteins in their blood that are linked to controlling inflammation, which may help to explain how a placebo makes us feel better [...]

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Device can harvest wind energy from the breeze made when you walk


A small device can harvest energy from the breeze generated as you walk and could potentially be used to power your gadgets [...]

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Doctor's diary: How can we deal with the long covid-19 symptoms?


The coronavirus has handed doctors many challenges, writes Selma Stafford, the latest being previously healthy young people debilitated by covid-19 [...]

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Evolution is evolving: 13 ways we must rethink the theory of nature


Do species really exist? Are genes destiny? Do only the fittest survive? Can we shape or stop evolution? New insights into nature are providing surprising answers, and a glorious new picture of life’s complexity [...]

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How the UK can get its catastrophic coronavirus testing under control


Operation Moonshot aims to carry out millions of covid-19 tests in the UK each day. Here’s what it would take to achieve this wildly optimistic plan [...]

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China's 2060 carbon neutral pledge is a big deal but is it big enough?


China surprised the world yesterday when president Xi Jinping told the United Nations general assembly that the country would achieve carbon neutrality before 2060 [...]

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Some frogs have evolved eyes that are far too big for their bodies


Certain frogs have some of the biggest eyes of all vertebrates, relative to their body size, which is a significant evolutionary investment that has puzzled zoologists [...]

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Young bats accept reality of climate change before older generations


Bats that normally migrate more than 1500 kilometres in the winter are staying closer to home as the world warms, with young males being the first to make the change [...]

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Covid-19: Asymptomatic people may be more infectious than we thought


People infected with covid-19 but who show no symptoms appear to have similar levels of viral RNA in their noses and throats to those with mild symptoms [...]

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India about to overtake the US with highest covid-19 caseload globally


With almost 100,000 new daily coronavirus cases, India is fast overtaking the US and the true number is likely to be much higher [...]

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US science news biased against people with names of non-British origin


Scientists with names that are not of British origin are less likely to feature in a US news story about their research, according to an analysis of 230,000 news articles [...]

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Birds that 'speak' with a flap of their wings have regional dialects


Male fork-tailed flycatchers have a notch in their wings that makes a high-pitched sound as they fly, and birds from different areas produce different pitches – a bit like a regional dialect [...]

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AI camera can tell what surfaces feel like with just a glance


Artificially intelligent cameras are able to tell the physical properties of surfaces, such as texture or how well it conducts heat, based on a single image – but they can't tell whether something is sticky [...]

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Meet NASA's latest Mars Rover: Will Perseverance find life in 2021?


Perseverance is the first NASA mission to explicitly look for signs of ancient life. It will also test the first extraterrestrial helicopter and prepare for human exploration. [...]

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People in Cape Verde evolved better malaria resistance in 550 years


A gene variant that protects against malaria has spread rapidly among people living on the island of Santiago off West Africa [...]

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Glittering image of Andromeda galaxy takes top photography award


This tantalising image of spiral galaxy Andromeda – our nearest big neighbour – won Nicolas Lefadeux top prize at the 2020 Insight Investment Astronomy Photographer of the Year competition [...]

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Air pollution in China may have caused millions of deaths since 2000


Air pollution is estimated to have caused 30.8 million premature deaths in China and Taiwan since 2000, according to an algorithm that was trained on satellite data [...]

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UK coronavirus epidemic is doubling every seven days warn scientists


The UK faces a “very difficult problem” of rising covid-19 deaths and cases if it does not change course, chief medical officer for England Chris Whitty has warned [...]

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To Sleep in a Sea of Stars review: Brilliant sci-fi from Eragon author


Christopher Paolini’s epic new novel, To Sleep in a Sea of Stars, is an hallucinatory space opera, perfect reading to help us ride out the current storms [...]

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Children’s allergic reactions to nuts spike at Halloween and Easter


Severe peanut allergies in children jump 85 per cent on Halloween and 60 per cent on Easter, and other nut allergies follow the same trend, possibly due to social gatherings where sweets are shared [...]

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The purpose of sleep appears to change when we are toddlers


Sleep in babies seems to mainly help develop new brain connections, but at the age of around two-and-a-half there is an abrupt shift to brain repair [...]

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Most fertility-tracking apps are unreliable but free apps work best


An analysis of fertility-tracking apps available in the UK and Canada found that many use flawed methods to predict periods, and they should not be relied on to help conceive or as a contraceptive tool [...]

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Most space travellers are men despite slow rise in female astronauts


Early space travellers were younger men, but the average age has risen since the 1960s. More women are also now going to space, but they only make up 64 of the 566 to have left Earth [...]

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Life in the toxic clouds of Venus


Read a preview of Launchpad, our free weekly newsletter in which resident space expert Leah Crane fills you in on all the very latest news on our exploration of our solar system – and beyond. [...]

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Lighting fires in space is helping us make greener energy on Earth


Flames reveal their secret workings when freed from the effects of gravity, so burning things in space may help us get more energy from less fuel back on Earth [...]

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It’s time to for us to revisit Venus to uncover its many mysteries


The discovery of a possible sign of life on Venus highlights our ignorance of what is going on within its swirling clouds and on its furnace-like surface. It’s time to go there and find some answers, writes Peter Gao [...]

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The weird and wacky science that won Ig Nobel prizes this year


Is there a link between income inquality and kissing? And why do alligators make such loud bellows around mating season? Feedback reports from the Ig Nobel prize [...]

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Supercool experiment reveals water is actually two liquids in one


Supercooling liquid water to temperatures lower than ever achieved before has revealed new evidence that water is two liquids in one [...]

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Training bees to prefer certain flower scents boosts seed production


Feeding honeybees scented food makes them more likely to visit flowers with that scent, boosting pollination rates and crop yields [...]

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Your shoes could be increasing the risk of a painful foot condition


Shoes that raise the toes away from the ground make walking easier but weaken the foot, which might increase the risk of a painful condition called plantar fasciitis [...]

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How to spot a Starlink satellite in the night sky


There are hundreds of SpaceX satellites in the sky. A successful sighting just requires a bit of luck, writes Abigail Beall [...]

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Don't Miss: The Zoologist's Guide to the Galaxy


New Scientist's weekly round-up of the best books, films, TV series, games and more that you shouldn't miss [...]

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The covid-19 pandemic was predicted – here's how to stop the next one


Covid-19 isn't the first pandemic humanity has faced and it won't be the last. What has happened offers lessons about how to judge and respond to virus warnings in future [...]

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Sound analysis hints sirens have an evolutionary link with wolf howls


Wolf howls may have served as a danger signal to our ancestors – and modern emergency sirens may be an effective way to alert us because they sound like howls [...]

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Watch titan triggerfish jump out of the water to catch and eat crabs


Titan triggerfish that live in the Red Sea will deliberately launch themselves onto the beach to catch and eat ghost crabs crawling along the shore [...]

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BepiColombo may be able to search for signs of life as it passes Venus


The BepiColombo spacecraft is about to pass Venus on its way to Mercury, and there is a plan to use it to look for phosphine, a gas that may indicate life in Venus’s atmosphere [...]

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Apple’s new watch has a blood oxygen monitor – what is it good for?


Apple's new Series 6 smart watch can measure blood oxygen levels, which could potentially be useful to track the health of people already diagnosed with covid-19 or a range of other conditions, but more data is needed to confirm its accuracy [...]

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Australian stinging tree injects animals with spider-venom-like toxin


Australian stinging trees, species of which can grow up to 35 metres tall, inject toxins that cause pain in the same way as animal venoms found in spiders and scorpions [...]

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Washing our clothes has created 5.6 million tonnes of microfibre waste


Since 1950, 5.6 million tonnes of microplastic microfibres have been dumped on land and in the sea through clothes washing – and the rate of release is increasing [...]

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Five scientists tell us what happens next with the covid-19 pandemic


After nine months and a million deaths, we ask experts in the field whether they think we are over the worst of the pandemic and what the future looks like [...]

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Scientists dismiss new claims that the coronavirus was made in a lab


A self-styled whistle-blower has claimed to have proof that the coronavirus was made in a Chinese government laboratory, but scientists say there is no evidence this is true [...]

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NASA to film an Estée Lauder ad in space as the ISS opens for business


NASA is trying to turn the ageing International Space Station into a hub for commerce and has partnered with the likes of Estée Lauder and Adidas [...]

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The way you walk may soon be used by authorities to identify you


Your walk is as unique as your fingerprint and harder to hide than your face. Now governments and companies are waking up to the power of gait analysis [...]

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The horn-like knobs on a giraffe's head can be a deadly lightning rod


Being the tallest animals on the planet, giraffes are threatened by lightning strikes. For the first time scientists have described in detail such a hit, which killed two giraffes in South Africa [...]

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Oldest animal sperm found in 100-million-year-old female seed shrimp


Scientists have discovered the oldest animal sperm inside the reproductive tract of a 100-million-year-old female seed shrimp – and it is nearly as long as the animal that produced it [...]

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Slimy ships could slip through water more efficiently to save energy


Inspired by seaweed, physicists are exploring how mucus can reduce drag on ship hulls and help vessels cut through water more efficiently to save energy and fuel [...]

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The microbiome: How gut bacteria regulate our health


Our video series Science with Sam explains how the community of microorganisms inside our bodies can keep us healthy or make us ill [...]

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'Massive failure': The world has missed all its biodiversity targets


The world hasn't fully met any of the 20 biodiversity targets set by global governments a decade ago, leading conservationists to condemn nature protection efforts as a “massive failure” [...]

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Image of whooper swans flying in harmony wins bird photography award


This ethereal image shows whooper swans gliding over water in the city of Sanmenxia in Henan Province, China. It won Shu Qing a prize in the 2020 Bird Photographer of the Year competition [...]

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Cloned testicles let goats father the offspring of another male


Biologists have created pigs, goats and mice whose testicles produce the sperm of a different male and which breeders could use to pass on desirable traits to many more offspring than normally possible [...]

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Life on Venus? Everything you need to know about the big discovery


Space and physics reporter Leah Crane answers New Scientist readers’ questions on the recent finding of potential signs of life in Venus’s atmosphere [...]

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Our sense of time may be warped because parts of our brain get tired


If you have ever felt time going more slowly than it really does, it could be because time-sensitive neurons in your brain are fatigued from repeated stimulation [...]

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Have we spotted alien life floating in the clouds of Venus?


Strange gas in the clouds of Venus cannot be explained by any known non-biological formation mechanism, so it may be a sign that there are living organisms there [...]

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Playing chess where pieces time travel is confusing – in a good way


Computer game 5D Chess With Multiverse Time Travel isn't for the faint-hearted because it means keeping track of all the possible threats to every king that ever existed [...]

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AI tool improves video footage by editing out unwanted objects


Hollywood movie studios invest significant time and money editing out unwanted objects from video footage – a new AI tool can do the same job at a fraction of the cost [...]

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Coronavirus family tree reveals the virus is hardly mutating


Few distinct groups, or clades, of the new coronavirus have appeared this year – and they are so similar to one another that a vaccine could protect against them all [...]

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The way we collect covid-19 data perpetuates racism in healthcare


Covid-19 is affecting ethnic minorities more severely, but we will never understand why if we don't collect the right data, says Alisha Dua [...]

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Don't Miss: Science Disrupt is about the people who bring about change


New Scientist's weekly round-up of the best books, films, TV series, games and more that you shouldn't miss [...]

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The amusing skulduggery-filled tale of how beavers returned to Britain


From photocopying secret files to taking on the powerful lobby groups, activist Derek Gow's book Bringing Back the Beaver tells his side of the story of Britain's beaver reintroduction [...]

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Space Dogs review: A dog's-eye view of how Laika could have lived


Space Dogs follows the story of Laika, the first living being to orbit Earth, and imagines what her life could have been like had she survived reentry [...]

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