Are the bones of several tiny individuals from the island of Flores the newest addition to our family tree, or are they the remains of diseased humans only masquerading as an extinct species?

Numbers on red branches from the first eutherian ancestor to Homo sapiens are the numbers of breakpoints in reconstructed ancestral chromosome fragments. Breakpoints are locations where a ...

Just because Homo sapiens hadn’t yet developed the SPF rating system 41,000 years ago didn’t mean that they were unaware that solar radiation could prove hazardous. "What some of the differences are ...