Muscle patch made from stem cells could treat heart failure
A patch made from lab-grown muscle cells boosted heart function in monkeys with cardiovascular disease and is now being tested in humans
Antarctic ice sheet may be less vulnerable to collapse than expected
The West Antarctic ice sheet could cause metres of sea level rise if it collapses – but more than 120,000 years ago, it may have survived an even warmer period than it is experiencing now
Experimental XB-1 aircraft goes supersonic for the first time
Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of supersonic commercial flights
Mice born with two fathers – but don’t expect the same for people
For the first time that we know of, mice with two fathers have survived to adulthood, but the methods used would be "unthinkable" to try in people
Twisted light may illuminate how quantum spookiness works
Physicists have verified a connection between two counterintuitive quantum properties, which may help us understand how quantum objects stay inextricably connected through entanglement
Surge in ocean heat is a sign climate change is accelerating
The rate of warming in the oceans has more than quadrupled since 1985, suggesting global warming in general has undergone a marked acceleration
How big a deal is China’s DeepSeek AI model?
The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech companies
Why China’s DeepSeek is threatening to disrupt the AI industry
The new AI model from China's DeepSeek performs on a level with leading US models without requiring as much computing power – but despite a huge drop in their stock, it's not game over for US tech companies
European cities face millions more deaths from extreme temperatures
In Europe as a whole, the increase in deaths from hot weather over the next century will outweigh the decline in deaths from cold weather, but in colder countries such as the UK, temperature-related deaths will decline overall
What Trump’s first week means for climate, science, health and tech
In a barrage of executive orders, President Donald Trump has set the US on course to derail climate goals, biomedical research and pandemic readiness