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Our primate ancestors developed an ability to consume alcohol 10 million years ago
Dogs can feel jealousy, and like anger and fear, it might even serve an evolutionary purpose
Plumage did not emerge to help birds fly, but to either attract mates or stay warm
Our faces evolved because of the millions of years of fistfights our ancestors have been involved in
Our squinting or widening of eyes are evolutionary tools to help deal with the environment
Microscopic organisms have altered the course of wasp evolution. And perhaps ours too
A new study says there may be more to evolution than survival and changes in the environment
Over the years, Homo sapiens have come to develop unique brain structures