Stay up to date on the latest news of the future of science and technology from your iPhone with full articles, images and offline viewing
Featuring every article from the magazine and website, plus links from around the Web. Also see our PopSci DIY feed
Share links with friends, comment on stories and more
Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.
Check out the issue's full contents online here
I have a pic of almost the same kind of snake found in Hawaii and from what I understand they came from the phillapines
from Cartersville, Georgia
Placoderms are hardly new, and they have been known to science for many years. I would not call that a new discovery; you can flip through almost any college biology textbook and see a fossil of one.
Alice Reilly
Department of Biology
Mercer University