News
- Anthropology
Ardi may have been more chimplike than initially thought — or not
A contested study of hand and foot fossils suggests this 4.4-million-year-old hominid was a tree climber and branch swinger.
- Particle Physics
Protons’ antimatter is even more lopsided than we thought
The SeaQuest experiment finds that down antiquarks within the proton are more prevalent than up antiquarks.
- Paleontology
Climate change helped some dinosaurs migrate to Greenland
A drop in CO2 levels helped massive plant eaters called sauropodomorphs trek from South America to Greenland 214 million years ago, says a new study.
- Animals
A mountain lizard in Peru broke the reptilian altitude record
Liolaemus tacnae was photographed 5,400 meters above sea level in the Andes, breaking the highest elevation record for a reptile by about 100 meters.
