News
- Life
Fossil footprints show some crocodile ancestors walked on two legs
The 106-million-year-old tracks suggest that other puzzling nearby fossils were also likely made by a bipedal croc ancestor, not a giant pterosaur.
- Neuroscience
The way the coronavirus messes with smell hints at how it affects the brain
Conflicting reports offer little clarity about whether COVID-19 targets the brain.
- Health & Medicine
A critically ill COVID-19 patient just got a double lung transplant
A young woman whose lungs could not recover from the coronavirus infection is doing well after a double lung transplant.
- Ecosystems
Bringing sea otters back to the Pacific coast pays off, but not for everyone
Benefits of reintroducing sea otters in the Pacific Northwest, such as boosting tourism, vastly outweigh the costs, a new analysis shows.
