October

Roman-era skulls show far less gum disease than modern Brits, due to the invention of smoking and the rise in diabetes.

The world's oldest vertebrate sex organs, found in 385-million-year-old fish, prove sex is a lot older than we thought.

The lifestyles of extinct marine crocs mirror those of today's living groups.

A new technique for producing cells from butterflies and beetles could pave the way for paint colours that never fade.