8 billion people: How different the world would look if Neanderthals had prevailed
For 99% of the last million years of our existence, people rarely came across other humans
Some of us are part-Neanderthal and it affects how medicines work on you
The gene variants are carried by 20% of present-day Europeans
The world’s oldest piece of string, 50,000 years old, found in France
It is believed to have been made by Neanderthal humans