Uncategorized
- Earth
Gassy volcanoes tied to mass extinction
Chemicals from a massive Siberian eruption 250 million years ago may have polluted the atmosphere and killed off most life on the planet.
- Life
Mice missing protein burn more fat
Research on the receptor for the 'hunger hormone' suggests a molecular strategy for revving up the body’s furnace.
- Health & Medicine
Salvia says high
Laboratory researchers show that the psychoactive substance in a popular, largely legal recreational drug causes a short but intense period of hallucination.
- Humans
Apartments share tobacco smoke
Children in nonsmoking families have higher levels of secondhand exposure if they live in multifamily dwellings.
- Chemistry
Clever way to break the nitrogen-nitrogen bond
New chemical reaction cleaves dinitrogen molecule and brings carbon and nitrogen together.
- Life
New cellular ‘bones’ revealed
Proteins that make filaments may offer hints to how cellular scaffolding evolved.
- Life
Cells reprogrammed to treat diabetes
The testes may be an alternate source of insulin production.
- Planetary Science
Saturn’s rings explained
A huge shattered moon could have sprayed ice particles around the newborn planet.
- Life
Rooting for swarm intelligence in plants
Researchers argue for a type of vegetative group decision making usually associated with humans and social animals, and go out on a limb by also proposing that information may be transmitted electrically.
- Chemistry
Locks to learn
A new way to probe interactions between pairs of hairs could offer insights into fly-aways and other tonsorial woes.
- Psychology
Face memory peaks late, after age 30
Striking an unanticipated blow for mature thinkers, 30- to 34-year-olds have the best face memory.
- Health & Medicine
A protein’s ebb and flow
Buildup in the brain of a protein linked to Alzheimer's disease may be due to reduced clearance rather than overproduction of the protein.
