EnvironmentHumpback whales use their flippers to swat salmon into their mouths Humpback whales use their flippers to create a barrier that traps gathered prey, which they can then usher towards their mouths by swatting the water News
HumansWe may have a basic form of sign language in common with chimpanzees People seem to be able to understand gestures made by chimpanzees, suggesting the signals may be remnants of a basic sign language used by our last common ancestors News