Eruptions are a regular occurrence at Anak Krakatau, a small volcano between the Indonesian islands of Java and Sumatra. Much of its activity remains relatively mild, but it occasionally puts on more impressive and hazardous shows of force. In early September 2026, a booming eruption lasting more than 24 hours sent gas and ash high
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Neuroscientist Stefano Cataldi has realized that defending science through his policy and advocacy work has become just as important as doing bench research. Credit: Alissa de Chassey These days, Stefano Cataldi, a neuroscientist studying complex cognitive abilities at Columbia University in New York City, is considering something that, to him, was once unthinkable: giving up
The World Bank’s headquarters in Washington DC.Credit: J. David Ake/Getty For years, the social and behavioural sciences have lived with an open secret: findings from studies in these fields can be difficult to reproduce. When independent researchers are unable to arrive at the same result as the original team despite using identical data and the
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Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy. You may unsubscribe at any time. If it feels