Environment Don't be fooled by El Niño's end – net zero is more urgent than ever The El Niño climate pattern has contributed to a year of record-breaking temperatures. We must bend the curve of carbon emissions before the next one arrives News
Technology AI can predict landmine areas from satellite images An AI model can identify landmine areas with up to 92 per cent accuracy, which could help to speed up the removal of the deadly devices News
Health Could mental health conditions be 'transmitted' among teen classmates? Having just one person in a school class with a mental health condition has been linked to a higher risk of such a diagnosis among their peers, but the potential reasons for this are hard to pin down News
Life An amazing great bustard gets ready for a new nature exhibition Birds: Brilliant and Bizarre, now on view at London’s Natural History Museum, showcases the extraordinary qualities of Earth’s “ultimate survivors” Regulars
Physics Quantum time travel: The experiment to 'send a particle into the past' Time loops have long been the stuff of science fiction. Now, using the rules of quantum mechanics, we have a way to effectively transport a particle back in time – here’s how Features
Comment Ray Kurzweil and other experts clash over AI’s future in new books To understand the power – and limitations – of artificial intelligence, we need information, not hype. Alex Wilkins explores what four new books, from Ray Kurzweil, Nick Bostrom, Neil Lawrence and Shannon Vallor, offer Culture
BrainTwister #22: Even rows Can you solve this week’s logic puzzle? Plus our quick quiz and the answer to last week’s problem Regulars
Life The dangers of amorous ostriches when starting an ostrich farm Feedback wonders if previous research into 'courtship behaviours of ostriches' in the UK will be taken into account by the owner of a new ostrich farm in New Hampshire Regulars