Animals can count, but can’t read numbers – and now we know why
Humans but not animals learn that symbols like ‘2’ and ‘4’ represent numbers by recruiting a unique set of neurons to identify them
Octopuses taking MDMA get all huggy and loved-up with each other
Octopuses respond to ecstasy in the same way as we do, suggesting the basis for social behaviour evolved more than 500 million years ago
NASA’s new exoplanet-hunter has spotted its first alien worlds
NASA’s recently launched exoplanet-hunting satellite has uncovered a new world twice the size of Earth orbiting a star 60 light years away
A pair of tiny hopping rovers are about to land on an asteroid
Japan’s Hayabusa 2 spacecraft has arrived at the asteroid Ryugu, and now it is dropping off two tiny landers that will hop around the surface and take pictures
Field notes: Polluted polar bears await the great Arctic land grab
As global warming melts the Arctic, all eyes are turning to the riches under the ice. But will polar bears survive the pollutants trickling into the food chain?
Milk alternatives: Which are good for both you and the planet?
Milks made from peas, nuts and more are taking supermarket shelves by storm. Here's what you should be drinking if you care about your health and the environment
Killing ‘zombie’ brain cells can prevent memory loss in mice
Dysfunctional, or 'senescent', brain cells can drive brain degeneration – and killing them saved mice from further damage and memory loss
Killing ‘zombie’ brain cells can prevent memory loss in mice
Dysfunctional, or 'senescent', brain cells can drive brain degeneration – and killing them saved mice from further damage and memory loss
Smart pills can transmit data to your doctors, but what about privacy?
Medicines that record when they have been taken are already being prescribed. Ethical issues must be addressed, say I. Glenn Cohen and Alex Pearlman
Smart pills can transmit data to your doctors, but what about privacy?
Medicines that record when they have been taken are already being prescribed. Ethical issues must be addressed, say I. Glenn Cohen and Alex Pearlman