Science

  • Coronavirus live news: Wuhan lab had bat viruses but not Covid-19 strain as Australia border row simmers
    Lab says none of three bat viruses match Covid-19; new witnesses cast doubt on Cummings’s lockdown claims; WHO says pandemic ‘taking different pathway’ in Africa. Follow the latest updates Morrison urges state leaders to justify economic damage from ongoing border restrictions Wuhan lab says its bat strains were not Covid-19 as US nears 100,00 deaths … Read MoreRead more
  • The Guardian view on climate and Covid: time to make different choices | Editorial
    Despite some fine words about the environmental crisis, ministers are pushing ahead with a trade bill that threatens to damage the planet The dust storms that devastated the US prairie during the Great Depression were the worst ecological disaster in American history. They were also, partly, manmade. Decades of farming in the Great Plains had … Read MoreRead more
  • Let’s learn about bubbles
    Bubbles are everywhere. You just need to know where to look. There’s the obvious place — the soap bubbles in your bath. There are also bubbles in your body. They’re responsible for your cracking knuckles. The gems in a ring might have bubbles, called inclusions. Going farther out, humpback whales use bubbles to hunt. And scientists … Read MoreRead more
  • Our gut microbes love a good workout
    Exercise does more than make us hot and thirsty. It can have big effects on the trillions of microbes that live in our gut. Each one-celled organism is tiny. Together, their huge community, known as the gut microbiome (My-kroh-BY-oam), can weigh up to 2 kilograms (4.4 pounds). Its microbes can offer mighty benefits. They help digest … Read MoreRead more
  • Sweat tech alerts athletes when to rehydrate — and with what
    Exercise affects the body in many ways. Our heart beats faster. Our lungs work harder. Our skin gets sweaty. And that sweat does more than cool an overheated body. It also carries away valuable moisture and minerals. Today’s fitness tech is now working to gauge that loss of water and nutrients. The goal: To help … Read MoreRead more
  • Why sports are becoming all about numbers — lots and lots of numbers
    Growing up near Montreal in Canada, Sam Gregory’s life revolved around soccer. “I played. I refereed. I coached,” he recalls. “I was totally obsessed with it.” He also cared about team statistics. But he never saw himself finding a career that married the two. Today, he’s a data scientist for Sportlogiq in Montreal. He and … Read MoreRead more
  • Coronavirus live news: global cases pass 5m as EU health chief warns of second wave
    ‘The question is when and how big,’ says Europe CDC chief; world sees largest daily rise in cases; Trump considers in-person G7. Follow the latest updates EU virus response chief: ‘Europe should brace itself for second wave’ Global cases pass 5 million UK coronavirus updates – live Australia coronavirus updates – live Coronavirus latest: at … Read MoreRead more
  • UK coronavirus live: launch test and trace or risk second wave, NHS leaders warn
    Government told it is running out of time to kick off testing system Coronavirus global updates – live Coronavirus latest: at a glance See all our coverage 7.55am BST My esteemed colleague Sarah Boseley has written a very good explainer on the government’s test, track and trace strategy, which is dominating the headlines this morning. … Read MoreRead more
  • Traces from nuclear-weapons tests offer clues to whale sharks’ ages
    It’s been surprisingly hard to figure out how old a whale shark is. Now scientists have gleaned clues — ones written in the the sharks’ spines. The clues are visible thanks to the radioactive residues. They were left by nuclear-weapons tests during the Cold War. As they grow, the vertebrae of whale sharks (Rhincodon typus) … Read MoreRead more
  • Free Issue of Scientific American
    free access to Scientific American entire June Issue, including a Special Report on the Coronavirus Pandemic
  • Let’s learn about domestic cats
    Sometimes having a cat for a housemate is great. It can be absolutely blissful when a kitty falls asleep purring in your lap. And they make great pest control. At other times — like when your crepuscular cat gets the zoomies at dawn and knocks something breakable off a shelf as it rushes by — … Read MoreRead more
  • The challenge of dinosaur hunting in deep caves
    Being a paleontologist can be fun. Sometimes it also can be a bit scary. Like when you’re crawling through tight underground passages in a deep, dark cave. Yet that’s what Jean-David Moreau and his colleagues have chosen to do in southern France. For them, the payoff has been rich. For instance, after descending 500 meters … Read MoreRead more
  • Coronavirus live news: Trump says he may quit WHO, claiming lack of independence from China
    WHO chief promises independent review of global response; IMF head says full economic recovery unlikely in 2021; Italy records lowest deaths since March Trump says he’s taking hydroxychloroquine despite FDA warnings UK coronavirus updates – live Australia coronavirus updates – live Coronavirus latest: at a glance 8.04am BST Authorities in eastern India and Bangladesh were … Read MoreRead more
  • Coronavirus live news: Italy begins reopening bars and cafes as rate of deaths and new infections falls again
    Southern European countries ease lockdowns; South Africa reports highest daily increase; global infections pass 4.7 million Coronavirus latest: at a glance US lockdown protests may have spread virus, cellphone data suggests Global report: Italy reopens cafes as Spain prepares for return of tourists US coronavirus updates – live 7.58pm BST The Norwegian prime minister Erna … Read MoreRead more
  • Pesticides can have long-term impact on bumblebee learning
    The soft sound of bees buzzing among flowers signals warm weather throughout the world. But in many places, those sounds are fading. And it’s not just honeybees that are struggling. Native bees, including bumblebees, are also becoming scarce. Factors such as climate change and habitat loss may be partly to blame. But a new study … Read MoreRead more
  • Scientists Say: Quasar
    Quasar (noun, “KWAY-sar”) This word describes the distant and superbright center of some galaxies. Galaxies, like our own Milky Way, are huge collections of stars. All known galaxies that are bigger than a certain size have supermassive black holes near their center. Supermassive black holes are the most massive of black holes. These objects have a … Read MoreRead more
  • Did singing together spread coronavirus to four choirs?
    In Amsterdam, 102 members of one choir fell ill, and cases have been reported in Europe, America and the UK. But scientists cannot agree on the cause Coronavirus – latest updates See all our coronavirus coverage On 8 March this year, the Amsterdam Mixed Choir gave a performance of Bach’s St John Passion in the … Read MoreRead more
  • Coronavirus live news: Russia records highest daily fatalities; German football gets back under way
    French child dies of Kawasaki disease; Trump fires inspector general; Ardern turned away from cafe under social distancing. Follow the latest updates US House narrowly approves $3 trillion Covid-19 response bill Trump unveils ‘warp-speed’ effort to create vaccine by year’s end Brazil loses second health minister in less than a month Australia coronavirus updates – … Read MoreRead more
  • The end of plastic? New plant-based bottles will degrade in a year
    Carlsberg and Coca-Cola back pioneering project to make ‘all-plant’ drinks bottlesBeer and soft drinks could soon be sipped from “all-plant” bottles under new plans to turn sustainably grown crops into plastic in partnership with major beverage makers.A biochemicals company in the Netherlands hopes to kickstart investment in a pioneering project that hopes to make plastics … Read MoreRead more
  • Climate Assembly UK concludes in world transformed by coronavirus
    Health crisis pushed emissions down public agenda – but there’s growing appetite for global reset Coronavirus – latest updatesSee all our coronavirus coverageWhen 110 people gathered at a hotel in Birmingham in January for the UK’s first citizens’ assembly on the climate crisis, the world was a very different place.The assembly culminates this weekend after … Read MoreRead more
  • Coronavirus live news: Europe could face deadly second wave of winter infections, WHO warns
    Spain hails large-scale antibody study; no Danish virus deaths for first time since March; China marks one month with no Covid-19 deaths Europe could face deadly second wave of winter infections Brazil loses second health minister in less than a month UK coronavirus updates – live US coronavirus updates – live Coronavirus latest: at a … Read MoreRead more
  • Did rain put the Kilauea volcano’s lava-making into overdrive?
    Heavy rains can trigger Hawaii’s Kilauea volcano to spout streams of lava. That’s the assessment of a new study. The idea is possible, many volcano experts say. However, some don’t believe that the data here support the that conclusion. Starting in May 2018, Kilauea dramatically ramped up its 35-year-long eruption. It opened 24 new cracks … Read MoreRead more
  • Minecraft’s big bees don’t exist, but giant insects once did
    Big bees buzz in Minecraft. In our world, blocky bees might starve and be stuck on the ground. Yet long ago, giant insects did roam our planet. Visit a flower forest in the game Minecraft and you may stumble across big, blocky bees searching for blooms. In real-world terms, those boxy behemoths measure a whopping … Read MoreRead more
  • Science offers recipes for homemade coronavirus masks
    More and more people are wearing homemade masks at supermarkets, hardware stores, workplaces and more. The goal is to slow the spread of the virus that causes COVID-19. Now two new studies provide data on which fabrics to use. Also important, they show: a snug fit. To see why, it helps to understand how the virus travels … Read MoreRead more