Earth
- Climate
Sudden big chill
Earth’s climate cooled quickly at the beginning of the Little Ice Age, hundreds of years ago.
- Earth
A ghost lake
Scientists study an ancient lake that once covered much of Utah to learn lessons for the future.
-
- Environment
‘Nonstick’ chemicals may undercut value of vaccinations
Chemicals used to make fabrics stain resistant and pans stick resistant are showing up everywhere — including in kids. One big downside: New data show they can keep vaccines from working well.
-
-
-
- Earth
Eastern quakes can trigger big shakes
Scientists study the widespread impacts of tremors east of the Rockies.
-
-
- Climate
Dirty clouds change rainfall
Scientists find a link between air pollution and extremes in rainfall.
- Animals
Tiny earthworms’ big impact
Invasive earthworms change North American landscapes, for better or worse.
