LifeOstrich necks act as a radiator to control their head temperature Infrared images of ostrich necks show that they help the birds keep their heads cool in warm temperatures, lowering their heat stress and helping them reproduce more successfully News
LifeA tiny change to an inner ear bone led bats to evolve into two groups The two major groups of bats diverged tens of millions of years ago, and the main difference between them lies in a tiny inner ear bone News