News
- Physics
Mass mismatch makes mystery for proton’s strange cousin
An exotic cousin of the proton is caught in action again. But its measured mass doesn’t match previous results.
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- Paleontology
Flexible molars made chewing champions out of duck-billed dinosaurs
Tiny scratches in the fossilized teeth of Edmontosaurus suggest what these large herbivores ate and how they ate it.
- Life
H1N1 racks up frequent flier miles
Analyzing global flight paths may help researchers track pandemics, as a new study on H1N1 shows.
