On April 9, some hikers were exploring the beaches of Dunraven Bay in Wales when they made a grisly discovery. Poking out of ...
Researchers used powerful technology to analyse thousands of individual cells at once, considering which genes are active.
A study of the inner ear bones of Neanderthals shows a significant loss of diversity in their shape around 110,000 years ago, suggesting a genetic bottleneck that contributed to Neanderthals' decline.
The eardrum then starts vibrating and these vibrations are passed to three small ear bones – called the hammer, anvil and stirrup. Many animals have ears that are able to detect ultrasound.