Notebook
- Chemistry
50 years ago, scientists developed self-destructing plastic
In the 1970s, scientists developed plastic that could quickly break down when exposed to light. But that didn’t solve the world’s pollution problems.
- Animals
A hammerhead shark baby boom near Florida hints at a historic nursery
Finding an endangered shark nursery in a vast ocean is like finding a needle in a haystack. But that’s just what scientists did near Miami.
- Animals
How some lizards breathe underwater
Researchers have figured out how some anole lizards can stay underwater for as long as 18 minutes.
- Microbes
Missing Antarctic microbes raise thorny questions about the search for aliens
Scientists couldn’t find microbial life in soils from Antarctica, hinting at a limit for habitability on Earth and other worlds.
