LifeAt least 75 per cent of our DNA really is useless junk after all After decades of arguing whether junk DNA exists, a study has calculated that without it we’d all have to reproduce in huge numbers to escape harmful mutations News
Life‘Missing link’ whale could filter feed and hunt larger prey A whale that lived 30 million years ago had extraordinary back teeth for sieving out small prey, while its front teeth let it catch big prey too News