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For more than two centuries, police have investigated crimes using microscopic hair analysis. But this forensic method isn’t foolproof—and in some cases, it’s led to tragedy.
Nobody made it out of Sir John Franklin’s 1845 expedition alive. But now we know just how far one sailor got.
You can chalk it up to hormone changes, but your genes aren’t so innocent when it comes to hair color.
New research suggests that the real-life inspiration for Ghost from 'Game of Thrones' wasn’t a wolf species.
Genetics probably play a part in dimple formation, and so does a muscle called the “zygomaticus major.”