Life
- Animals
Turtles make sense after all
The odd bodies of turtles add a wrinkle to standard land-dwelling vertebrates.
By Susan Milius - Life
Collins nominated to head NIH
The chemist — turned physician, turned geneticist — has a spiritual side as well.
By Janet Raloff - Animals
Megafish Sleuth: No Steve Irwin
There's no reason a scientist can't be an action hero — even if his damsels in distress have fins.
By Janet Raloff - Earth
Monster stingrays: Field notes from a global wrangler
A megafish biologist shares what he's learning about a rare freshwater species.
By Janet Raloff - Life
Hornets suffocate in bee ball
Researchers find a spike in carbon dioxide, along with an increase in heat, makes honeybees' enemies vulnerable.
- Life
Climate change shrinks sheep
Milder winters help small, weak lambs survive but more competition for food slows growth.
By Susan Milius - Life
New drug hits leukemia early
An experimental drug may stop a deadly leukemia in its early stages, a study of mice shows.
By Nathan Seppa - Health & Medicine
Schizophrenia risk gets more complex
Three studies find that large collections of variants, rather than just a few key mutations, probably predispose someone to schizophrenia.
- Life
Salamanders don’t regrow limbs from scratch
A closer look at regeneration in axolotl amputees shows that tissue replacement relies on cellular “memory.”
- 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.
- Life
Protein protects sperm in mice
A protein called GPX5 helps protect sperm from oxidative damage. The finding could help prevent birth defects.