Sexual activity in young people is on the decline, but why? And what’s more, should we be worried about what this means for society and the future of the human race?
Sperm are selfish – and so are we
A new study hammers home how the “survival of the nicest” view makes no sense when it comes to evolution, says Jonathan R. Goodman
Surprising new biography of Francis Crick unravels the story of DNA
Francis Crick’s biography is full of surprises as author Matthew Cobb reveals the life and work of the co-discoverer of DNA’s structure, finds Michael Le Page
Kim Kardashian has wrangled an invite to NASA HQ. Can we get one too?
Reality TV star Kim Kardashian apparently thinks the 1969 moon landing was fake. If Feedback comes up with an equally outlandish conspiracy theory, maybe we can also get a guided tour of NASA
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Fossil fuel emissions rise again – but China’s are levelling off
Global emissions from fossil fuels are expected to hit another record high in 2025, but China’s carbon emissions appear to be reaching a peak
Strongest evidence yet that the Epstein-Barr virus causes lupus
Lupus has been linked to the Epstein-Barr virus – which causes glandular fever, or mono – before, but we now have evidence of how it can bring about the autoimmune condition
Sex could help wounds heal faster by reducing stress
Mild wounds healed faster if people took a spray containing the “love hormone” oxytocin and set aside time to praise their partner – but they cleared up even quicker if these individuals were also intimate with their other half
Huge cloud of plasma belched out by star 130 light years away
A coronal mass ejection from a distant star has been confirmed for the first time, raising questions about how such events could impact exoplanet habitability
Is a deadly asteroid about to hit Earth? Meet the man who can tell you
When an asteroid threatens Earth, astronomers use a rating called the Torino scale to communicate the risk. Richard Binzel, who invented the scale, tells New Scientist about his 50-year career in planetary defence
Chemical computer can recognise patterns and perform multiple tasks
Previous attempts at building a chemical computer have been too simple, too rigid or too hard to scale, but an approach based on a network of reactions can perform multiple tasks without having to be reconfigured