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US President Donald Trump has pledged to dismantle diversity, equity and inclusion programmes in government agencies in order to build a “merit-based” society. But psychological research shows that such initiatives can create fairer outcomes, if employed correctly

A patch made from lab-grown muscle cells boosted heart function in monkeys with cardiovascular disease and is now being tested in humans

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

Remarkable archaeological finds are telling a new story of how prehistoric humans turned clothing from a necessity into a means of self-expression

Boom Supersonic’s XB-1 aircraft broke the sound barrier during three test runs, a step toward the possible return of supersonic commercial flights

Space-time may hide a bizarre new kind of black hole that causes Einstein’s theory of gravity to fail – and could solve the mystery of dark energy

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

Physicists have verified a connection between two counterintuitive quantum properties, which may help us understand how quantum objects stay inextricably connected through entanglement

The rate of warming in the oceans has more than quadrupled since 1985, suggesting global warming in general has undergone a marked acceleration

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

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

Despite widespread studies revealing the prevalence of racism, its impact is often overlooked. But there are ways to tackle hidden biases and systemic discrimination, says Keon West

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

In a barrage of executive orders, President Donald Trump has set the US on course to derail climate goals, biomedical research and pandemic readiness

Worlds with liquid water could have formed just 200 million years after the big bang from the remains of the earliest supernovae

Just three nasal injections of blood cells called platelets helped people whose smell was affected by covid-19 identify new odours