Do you prefer to run in packs or operate as a loner? Your answer is determined by your genes, a new study claims. It's a big shift in social behavior theory, since scientists previously thought the environment determined social behaviour.
Some frighteningly muscular mice and nematode worms are running and squirming around a laboratory in Switzerland where scientists have genetically manipulated the critters to be harder, faster and stronger.
Have you ever heard of an endocycle? Endocycles are happening all around you! They're one way that biological cells grow, and they generate more than half the earth's biomass. But how exactly endocycles work has been elusive to scientists until now.