Science

En stor utmaning inom vården är att avgöra vilka astmapatienter som riskerar försämring. Forskare har nu utvecklat en metod som kan identifiera patienter som löper risk att drabbas av allvarliga astmaattacker. Över 500 miljoner människor i världen har astma, en av de vanligaste kroniska sjukdomarna. I dag finns dock inga pålitliga tester som kan visa

Our ancient ancestors crafted ingenious tools made not just from stone, but from animal bones too. One such tool, a nearly 500,000-year-old primitive hammer formed out of elephant bone, was recently uncovered in southern England. A new study published in Science Advances shows the resourcefulness of the early human species that used the bone hammer

The pain of anticipating a loss is much stronger than the thought of a potential gain. Deposit Photos Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. We’re all guilty of putting off that big decision because our brains can’t stop focusing on potential negative outcomes. Dread shapes

TwoZero © TwoZero Produkte 24.01.2026 Für das Gefährt sind weder Zulassung noch Führerschein nötig. Es ist nass, kalt, dunkel und glatt: Der Winter ist selbst für hartgesottene Radler unangenehm und für weniger Sattelfeste sogar gefährlich. Deshalb muss man aber nicht aufs Auto umsteigen. Das norwegische Start-up TwoZero will mit seinem gleichnamigen Gefährt eine Alternative bieten.

De zeci de ani, o credință persistentă circulă printre noi, susținând că organismul uman ar pierde până la jumătate din căldura corporală prin cap. Această idee, adânc înrădăcinată în conștiința colectivă, pare să-și aibă rădăcinile într-un „Manual de supraviețuire al armatei americane” din anii ’70, care afirma că „40–45% din căldura corpului se pierde printr-un

There’s an interesting development in amateur ballooning: using so-called superpressure balloons, which float high in the atmosphere indefinitely rather than simply going up and up and then popping like a normal weather balloon. Superpressure balloons can last for months and travel long distances, potentially circumnavigating the globe, all the while reporting their position. You might

Les antiparasitaires externes constituent une protection efficace contre les tiques, puces et moustiques pour nos animaux domestiques. L'Agence nationale de sécurité sanitaire (Anses) rappelle l'importance d'utiliser des produits spécifiquement adaptés à chaque espèce animale. Le danger des antiparasitaires mal utilisés Les chats sont particulièrement vulnérables aux produits contenant de la perméthrine, un composé destiné aux

Northern lights above Beiji Village, Mohe City, Heilongjiang Province of China, Jan. 20. (Image credit: Chi Shiyong/VCG via Getty Images) We were expecting a show and boy did it deliver. Skywatchers around the world were treated to stunning auroras that surged far beyond their usual polar limits, lighting up mid-latitude skies during a severe G4

January 20, 2026 1 min read Add Us On Google Add SciAm Humans are using more water than Earth can support, with many water sources already damaged beyond repair, a report from the United Nations found By Jackie Flynn Mogensen edited by Claire Cameron An irrigation ditch carries a light flow of water along agricultural

This article was produced by National Geographic Traveller (UK). Food is often the compass that guides our travels, the promise of something simmering, spiced or sweet pulling us across borders as surely as any landmark. A good meal delivers joy, of course, but it also tells a story. Seek out a place’s culinary traditions and