Though dolphins “shout” over their increasingly noisy ocean surroundings, scientists say that their efforts to communicate aren’t always enough. ...read more
Evidence indicates that early humans may have acquired a taste for meat before they could cook it, or the tools that Homo Sapiens and Neanderthals used. ...read more
After a mass extinction event, increasing heat temperatures helped ancient reptiles evolve into dinosaurs and other diverse species that thrived. ...read more
Since the 1950s, the U.S. Navy has denied the existence of combat dolphins. But other countries may already deploy underwater assassins, trained to kill enemy divers in swift and gruesome ways. ...read more