LifeRight whales born in 1981 grew a metre longer than they do today Surveillance of right whales in the North Atlantic show that individuals born today will grow to be a metre shorter, on average, than whales born in the early 1980s News
LifeDolphins and whales separately evolved the same speedy swimming bones A fossil of an ancient giant tusked dolphin lacks the extra vertebrae and short pectoral bones that make fast swimmers of dolphins and baleen whales, which later independently evolved these traits News