All humans are descended from just TWO people and a catastrophic event almost wiped out ALL species 100,000 years ago, scientists claim

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All modern humans descended from a solitary pair who lived 100,000 to 200,000 years ago, scientists say.

Scientists surveyed the genetic 'bar codes' of five million animals - including humans - from 100,000 different species and deduced that we sprang from a single pair of adults after a catastrophic event almost wiped out the human race. 

These bar codes, or snippets of DNA that reside outside the nuclei of living cells, suggest that it's not just people who came from a single pair of beings, but nine out of every 10 animal species, too