News
- Paleontology
Land life spared in Permian extinction, geologists argue
New rock layer dating in South Africa’s Karoo Basin suggests that extinctions of land species didn’t coincide with the Permian extinction around 252 million years ago.
- Chemistry
Tricky element isolated from spent nuclear fuel
A new chemical technique makes it easier to extract the radioactive element americium from used nuclear fuel, potentially paving the way for better ways to reprocess and recycle nuclear waste.
- Planetary Science
MAVEN mission finding clues to Mars’ climate change
Intense solar storms in the past might have stripped Mars of its water as well as much of the rest of its atmosphere.
