The Monte Verde sites in Chile have been the source of arguments among archaeologists for decades. Columnist Michael Marshall finds the row is heating up again – and could change our understanding of the first peoples in the Americas
A leading theory of consciousness explains experience as information flowing through a global workspace in the mind. On board a luxury yacht, neuroscientists and philosophers recently debated signs of a similar workspace in the chatbot Claude
The world hasn't experienced an El Niño this strong since the 1870s, when it sparked a terrible global famine. Are we better prepared this time?
Rocks in the asteroid belt rotating at ultra-fast speeds suggest our understanding of asteroid structure might be wrong
Most covid-19 cases are caused by a particular type of variant, but do we need to worry every time a new one emerges?
A new type of ink could overcome one of the main downsides of tattoos: the inability to make them invisible
Atherosclerosis, the build-up of fatty plaque in arteries, usually affects people older than 50, but a "meaningful" proportion of younger adults also have the condition
Forests full of dead trees aren’t just found by the US coasts – they are also appearing far from the sea around freshwater lakes
Shown at the New York Film Festival, John Torres’s film The Remotes tells of a mysterious app that seems to be controlling drivers' bodies, causing them to crash. It is challenging but worth it, says Karmela Padavic-Callaghan
A new species of giant waterlily identified with the help of social media and satellite photos is just one of three discovered in the past few years
Russia says it is winding down precautionary measures taken after a lab worker at a plague research institute died. But what made officials think these were needed at all?
US President Donald Trump has declared that artificial intelligence should now be called “super intelligence”. Columnist Jacob Aron explains where that term came from and explores whether its many historical meanings apply today
When OpenAI announced its surprise solution to the Navier-Stokes problem, it produced one proof for humans and one for computers – however, they don't match
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