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Letters
On honeybees and jury duty Reading “Swarm Savvy” ( SN: 5/9/09, p. 16 ), I was struck by how closely the honeybee decision-making process resembled the internal dynamics of a jury I once was on. The “obvious” jury decision, in my not-very-humble opinion, was guilty to a lesser charge of non-aggravated battery, but I was […]
- Chemistry
Concerns over bisphenol A continue to grow
Recent research finds that the hormone mimic may be more prevalent and more harmful than previously thought, highlighting why BPA is a growing worry for policy makers.
- 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.
- Psychology
2-year-olds possess grammatical insights
Toddlers discern basic rules for using nouns and verbs at least one year before speaking in complete sentences, French brain researchers report.
- Life
Salamanders don’t regrow limbs from scratch
A closer look at regeneration in axolotl amputees shows that tissue replacement relies on cellular “memory.”
- 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.
- Earth
Dirty snow may bring green burst to mountain peaks
Dust blowing in from distant deserts speeds the melting of snow and may shake up ecosystems on the slopes.
- Life
Protein protects sperm in mice
A protein called GPX5 helps protect sperm from oxidative damage. The finding could help prevent birth defects.
- Health & Medicine
Rheumatoid arthritis drug clears hurdle
Anti-inflammatory injections of golimumab work in people with rheumatoid arthritis who failed to improve on other meds.
