377 results
- Chemistry
The nitty-gritty of diamond polishing
Researchers figure out what happens at the atomic scale when jewelers polish the hardest substance known.
- Humans
Wine-trashing microbe identified
In finding the source of the off-tasting molecule MDMP, researchers hope to point the way to eliminating it.
- Tech
BPA: EPA hasn’t identified a safer alternative for thermal paper
Some researchers and public interest groups have been arguing that BPAfree thermal receipts paper is a preferable alternative, at least from a health perspective. But is it really? That’s what Environmental Protection Agency scientists want to know. And to date, they maintain, the jury’s still out.
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- Chemistry
Vodka’s bonds may influence taste
Differences in vodka brands reflect structural variations in cages of water molecules encasing ethanol, new research suggests.
- Chemistry
Receipts a large — and largely ignored — source of BPA
A host of small studies raises a big alarm about exposure to a hormone-mimicking chemical.
- Chemistry
Light-harvesting complexes do it themselves
A new technique could yield solar cells with no repair or assembly required.
- Life
Marine creature cooks up chemical defense from food
The sea hare transforms a benign algal pigment into a noxious molecule to help ward off crabs and other predators, new studies show.
- Chemistry
Deep-sea plumes: A rush to judgment?
A new report suggests a deep-sea plume of oil in the Gulf of Mexico has been gobbled up by microbes. But the scientist who described the incident doesn't "know" that. He can't — yet.
- Health & Medicine
Coffee perks up memory and balance in geriatric animals
Millions of Americans start their day with a cup of coffee and then reach for refills when their energy or attention flags. But new research in rats suggests that for the aging brain, coffee may serve as more than a mere stimulant. It can boost memory and the signaling essential to motor coordination.
- Chemistry
Nobel Prize in chemistry awarded for ribosome research
Ada Yonath, Thomas Steitz and Venkatraman Ramakrishnan will share the prize for unmasking the structure of the ribosome.
- Physics
A giant proposal for a new type of molecule
Atoms linked across vast distances, can point in two directions at once
