A freak DNA change 25 million years ago is why humans lack tails thehindu.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thehindu.com Daily Mail and Mail on Sunday newspapers.
Humans have many wonderful qualities, but we lack something that's a common feature among most animals with backbones: a tail. Exactly why that is has been something of a mystery.
Humans’ closest primate relatives lost their tails long ago, but exactly how has remained a mystery. A breakthrough in genetic research may finally offer answers.