LifeExtinct freshwater dolphin from the Amazon was largest of all time A dolphin that lived in the Amazon 16 million years ago grew to a length of 3.5 metres – larger than any other freshwater dolphin News
MindSome brain regions shrink in pregnancy and regrow after the birth Brain scans of 110 first-time mothers during and after pregnancy showed that some brain regions become thinner during pregnancy and that giving birth largely reverses this effect News