Jun 11

If you believe that all living things need oxygen to breathe, you’re not only wrong, but hopelessly human-centric. But don’t be too hard on yourself. Most mammals are biased toward multicellular organisms. It’s true that humans, along with mammals, birds,…

Apr 23

Can we save our body’s ecosystem from extinction?

The sheer amount of bacteria in and on your body weighs three to four pounds, the same weight as the human brain. But overuse of antibiotics is threatening the microbes our guts need, and possibly giving rise to modern plagues.