News
- 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.
