Sinking trees in Arctic Ocean could remove 1 billion tonnes of CO2
Trees floating towards the Arctic Ocean Carl Christoph Stadie/The Alfred Wegener Institute Cutting down swathes of boreal forest and sinking the trees into the depths
Exercise may relieve depression as effectively as antidepressants
Exercise can form part of an effective treatment for depression Neil Lang/Shutterstock Many of us experience a mood-boost after exercise, and now an updated review
Fossil analysis adds to debate over how earliest known hominin walked
Sahelanthropus fossils (centre) compared with a chimpanzee (left) and a human (right) Wiliams et al., Sci. Adv. 12, eadv0130 A long-running and bitterly fought dispute
Physicists are uncovering when nature’s strongest force falters
The STAR detector at the Relativistic Heavy Ion Collider BROOKHAVEN NATIONAL LABORATORY We are getting closer to understanding when the strong nuclear force loosens its
Pig liver transplant into a living person edges it closer to the norm
Surgeons carrying out the pig liver transplant at the First Affiliated Hospital of Anhui Medical University, China, in May 2024 Xianfu Lu Transplanting organs from
Your happiness in life may not be U-shaped – here’s how it could vary
Our happiness levels are not constant throughout our lives Ippei & Janine Photography/Getty Images The commonly held belief that happiness follows a U-shaped curve –
Should we worry AI will create deadly bioweapons? Not yet, but one day
AI could be used to make the toxin ricin, but this can also be obtained from castor beans, found in many gardens American Photo Archive/Alamy
We may finally know what causes will-o’-the-wisps
An 1849 engraving depicting a will-o’-the-wisp SSPL/Getty Images Bubbles merging in water can spontaneously generate electric sparks powerful enough to ignite methane, which could explain
Lung inflammation may make traumatic events harder to forget
Inflammation of the airways could result from smoking or air pollution exposure Lysenko Andrii/Shutterstock Severe airway inflammation impairs the ability of mice to learn when
What we know, and don’t, about the link between painkillers and autism
The US government raised concerns about painkillers used during pregnancy SolStock/Getty Images On Monday, the US government announced two initiatives related to autism. It will