Unlike their cold-weather relatives, Humboldt penguins live only in South America, along the rocky Pacific coast of Chile and Peru. The Saint Louis Zoo’s Michael Macek has been monitoring the penguins there, tracking their health and numbers.
The bacterium Enterococcus faecalis, which lives in the human gut, is just one type of microbe that was studied as part of the Human Microbiome Project funded by the National Institutes of Health (NIH).
Researchers have completed the first comprehensive census of the human “microbiome” — the trillions of bacteria, viruses, and other microorganisms that live in and on our bodies.
A new study out of Washington University suggests that women who use short-term birth-control methods like the pill are 20 times more likely to have an unintended pregnancy than those who use longer-term options like intrauterine devices or implants.