News
- Paleontology
Frozen squirrel poop hints at sights and smells of Ice Age ecosystems
DNA preserved in ancient scat reveals what Yukon ground squirrels ate and what animals shared their world.
- Animals
These birds clack their wing bones together to woo mates at night
During courtship, male scissor-tailed nightjars crack their wings together to make a sharp snapping sound. It's the result of colliding arm bones.
- Paleontology
Some pterosaurs may have boasted bold iridescence
A new analysis of a 120-million-year-old fossil suggests at least one pterosaur species shimmered in iridescent greens and magentas.
- Health & Medicine
A drug may help people on GLP-1 meds preserve muscle
In a clinical trial, an experimental antibody reduced lean-mass loss in people on a GLP-1 drug.
