Part 5 of Going Global, featuring David Quammen, science journalist and author, most recently of Spillover: Animal Infections and the Next Human Pandemic.
by Gary Niederhoff on November 5, 2012
Could your favorite Earthling also be your favorite Martian? Allow me to respond: The answer is "yes." It's possible that billions of years ago, tiny bits of biology quit the Red Planet and infected ours. If so, your family tree -- and that of every other terrestrial life form -- has its deepest roots not in the ancient oceans of Earth, but... (read more)Peruse Seth's previous HuffPo musings