News
- Health & Medicine
No fear
A woman who lacks a basic brain structure, the amygdala, couldn’t be frightened no matter how hard researchers tried. And they tried.
- Earth
Climate action could save polar bears
Cutting fossil fuel emissions soon would retain enough sea ice habitat for threatened species, scientists say.
- Health & Medicine
Gene linked to some smokers’ lung cancer
FGFR1 is amped up in a subset of cancers; inhibiting its proteins can shrink tumors in mice.
- 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.
