Rising temperatures are making physical activity undesirable and even dangerous in many parts of the world, and as global heating worsens, it will further affect how much people are able to move. Researchers analysed data from 156 countries between 2000 and 2022 and modelled how rising temperatures may affect physical activity globally by 2050. They…
It feels like summertime in March across much of the western United States this week, as an extraordinary, early heat wave sends temperatures skyrocketing in California and the Southwest. Highs above 90 degrees Fahrenheit are expected to be widespread in Southern California, with parts of Arizona and Nevada reaching the triple digits. Some 39 million…
Sharks are often viewed as solitary, but a new study—carried out on the Shark Reef Marine Reserve in Fiji—has found that rather than mixing at random, bull sharks have “active social preferences” and choose their social partners. The research was carried out by the University of Exeter, University of Lancaster, Fiji Shark Lab, and Beqa…
The attorneys general requested a response by March 2, one that addresses a set of leading questions, such as, “Why did the National Academies include a chapter on climate science that is not based on balanced or sound science?” and “What procedures will the National Academies establish to prevent similar advocacy-based chapters in future editions?”…
Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. It’s a crab-eat-crab world for the Chesapeake Bay’s juvenile blue crabs (Callinectes sapidus). Literally. Cannibalism is the number one killer of the crustaceans that congregate in mid-salinity waters like coastal estuaries. As a result, the blue crabs are relying…
Forecasters predict that a potentially supercharged El Niño is coming this summer, and it could push temperatures across the globe to unprecedented extremes. Last week, the National Oceanic and Atmospheric Administration’s (NOAA) Climate Prediction Center announced that there is a 62% chance of El Niño emerging between June and August. In other words, El Niño…
NASA will hold a media teleconference at 5:30 p.m. EDT on Thursday, March 19 to highlight plans for its X-59 quiet supersonic aircraft’s upcoming flight tests. The teleconference is set to take place after the X-59 is scheduled to complete its second flight, in California. For the media call, NASA leadership will join representatives from…
Many experts believe the first wave of humanoid robots will appear in workplaces where labor shortages exist. These robots may help complete repetitive or physically demanding tasks while working alongside humans. Researchers continue improving balance, autonomous navigation, and humanlike motion so robots can operate in various environments. Advances in greater dexterity and machine perception may…
Hot take: If I were buying a GPU right now, in 2026, I wouldn’t touch Nvidia with a ten-foot pole. I wouldn’t buy AMD, either. I’d buy Intel. No, I’m not joking. Intel Arc graphics cards have had an uphill climb ever since they first hit the market after many delays. And no wonder—I think…
Climate change appears to be making our days a little longer. According to a study published in the Journal of Geophysical Research: Solid Earth, rising sea levels are slowing the Earth’s spin. At a rate of 1.33 milliseconds per century, it is not enough to squeeze in a quick workout or watch another episode of…
