News
- Chemistry
Snot has the power to alter scents
Enzymes in mice's nasal mucus can alter certain odors before the nose can detect them, a new study finds.
- Physics
Dissolving a puzzle
A mathematical analysis shows what it takes to remove rock fast enough to create a cavern.
- Chemistry
The nitty-gritty of diamond polishing
Researchers figure out what happens at the atomic scale when jewelers polish the hardest substance known.
- Humans
Vitamin D targets increased
A panel advises raising the dietary allowance for the nutrient, but some scientists say the new recommendations are still woefully low.
