The packet of genetic code that increases the odds of being a southpaw is also linked to certain mental illnesses such as schizophrenia, a new study says.
Join a dangerous and controversial catch-and-release shark tournament, as sport fishers and scientists join forces to catch and study the ocean's top predators.
Fossils of tiny fish that lived 420 million years ago have given scientists the earliest insight yet into how vertebrates developed tooth-bearing jawbones.