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
HumansDon't miss: TV series Snowpiercer is based on Bong Joon-ho's fab film Âé¶¹´«Ã½'s weekly round-up of the best books, films, TV series, games and more that you shouldn’t miss Culture