Health It would be a mistake to rush into an under-16 social media ban Many countries are debating whether to follow Australia and ban social media for younger teenagers. But with more robust evidence on its harms coming, we shouldn't be too hasty Comment
Humans Stick shaped by ancient humans is the oldest known wooden tool Excavations at an opencast mine in Greece have uncovered two wooden objects more than 400,000 years old that appear to have been fashioned as tools by an unknown species of ancient human News
Health Does limiting social media help teens? We'll finally get some evidence A trial will finally reveal whether limiting the time teens spend on social media really does affect their mental health News
Environment Startling images win water photography competition From a powerful horse to South Korea's sea women, these are some of the winners of the Walk of Water photography awards Regulars
Chemistry Nobel prizewinner Omar Yaghi says his invention will change the world Chemist Omar Yaghi invented materials called MOFs, a few grams of which have the surface area of a football field. He explains why he thinks these super-sponges will define the next century Features
Physics Engaging look at friction shows how it keeps our world rubbing along How much do you know about friction? Jennifer R. Vail's charming, if sometimes technical, "biography" of the force showcases its amazing and largely overlooked role in everything from climate change to dark matter, says Karmela Padavic-Callaghan Culture
Space The most important second in the entire history of the universe In the 13.8 billion years that our universe has been around, some moments stand out over others – for the most exciting and impactful one, we have to go back to the very beginning, says cosmology columnist Leah Crane Comment
Think of a card, any card – but make it science Feedback has been informed about a "global telepathy study" which is currently taking place, but isn't entirely convinced about its merits Regulars