Humans Homo naledi's burial practices could change what it means to be human If ancient humans with brains a third the size of our own buried their dead, as some archaeologists are claiming, then our species may be less special than we thought Comment
Mathematics Complex knots can actually be easier to untie than simple ones Mathematicians have solved a decades-old problem in knot theory, discovering that linking two knots together can actually produce a knot that is easier to untie – the opposite of what was expected News
Health The world is losing major ground in the fight against measles A wave of anti-vaccine sentiment has spurred measles outbreaks around the world, and could lead to outbreaks of other preventable illnesses News
Humans Triumphant images of women who climbed to new heights Mountaineering Women: Climbing through history tells the stories of more than a dozen female climbers who have conquered the world's greatest peaks Regulars
Health How regrowing your own teeth could replace dentures and implants Losing a tooth as an adult is par for the course for many of us. The only option to replace them? Artificial substitutes. But an era of regrowing living teeth may now be almost upon us Features
Comment The 25 best fictional robots – according to New Scientist From R2D2 to the Terminator via Bender and Johnny-5, we choose our favourite robots from books, films and television series Culture
Technology Social media is dead – here’s what comes next A new information ecosystem is on the rise, featuring closer connections, cosy media and worker-owned websites, writes Annalee Newitz Comment
Comment Anthropic AI goes rogue when trying to run a vending machine Feedback watches with raised eyebrows as Anthropic's AI Claude is given the job of running the company vending machine, and goes a little off the rails Regulars