image credit: Erich Ferdinand ccThe puzzle is one of the greatest surrounding our species. On a planet that bristled with different types of human being, including Neanderthals and the Hobbit-like folk of Flores, only one is left today: Homo sapiens.
Our current solo status on Earth is therefore an evolutionary oddity - though it is not clear when our species became Earth's only masters, nor is it clear why we survived when all other versions of humanity died out. A major conference in London this week will reveal the results of five years' research on why Homo sapiens emerged triumphant in the survival battle of the humans.
