All Life on Earth Comes From One Single Ancestor. And It's So Much Older Than We Thought.
All life on Earth can be traced back to a Last Universal Common Ancestor, or LUCA. A new study suggests that this organism ...
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All people with blue eyes have a common ancestor
New research shows that all blue-eyed people share a common ancestor. This person lived more than 6,000 years ago and carried a genetic mutation that has now spread across the world. The exact ...