Humans
Genome at 10: Meet your ancestors
Gene-testing companies promise to find distant relatives or show that you're related to famous historical figures. Should you believe them?
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Gene-testing companies promise to find distant relatives or show that you're related to famous historical figures. Should you believe them?
The oldest mammalian hair has been discovered in a 100-million-year-old lump of amber, and it's surprisingly similar to modern-day hair