Chemistry
- Anthropology
Kennewick Man’s bones reveal his diet
Pacific Northwest man who lived 9,000 years ago ate from an almost entirely seafood menu, a new analysis finds.
- Chemistry
Idea for new battery material isn’t nuts
Baking foam peanuts at high heat can form wee structures that lure lithium ions and could make for cheaper, more powerful batteries.
- Chemistry
Air pollution molecules make key immune protein go haywire
Reactive molecules in air pollution derail immune responses in the lung and can trigger life-long asthma.
- Chemistry
Today’s pot is more potent, less therapeutic
The medicinal qualities of marijuana may be up in smoke thanks to years of cross-breeding plants for a better buzz.
- Chemistry
New method leaves older ways of 3-D printing in its goopy wake
Finding the sweet spot in a pool of resin, chemists can create detailed 3-D objects faster than 3-D printers.
- Chemistry
Cooking up life’s ingredients, all in one pot
An interconnected series of chemical reactions with a few primordial chemicals can cook up all the necessary elements of life
- Anthropology
People moved into rainforests much earlier than thought
People lived year-round in rainforests well before previous estimates, an analysis of teeth excavated in Sri Lanka suggests.
- Chemistry
Iron nanoparticles snatch uranium
With a dash of iron nanoparticles and a magnet, researchers can quickly harvest radioactive fuel.
- Chemistry
Brute-force chemistry study retracted
The journal Science has retracted a notable 2011 chemistry study in which authors reported a brawny method to break sturdy chemical structures.
- Materials Science
Old chemistry gives jolt to modern batteries
Chemical reactions discovered in the 19th century improve the performance of futuristic batteries.
- Materials Science
Oxygen sneaks into titanium, making it brittle
Oxygen atoms trigger defects in titanium’s atomic structure, making the metal brittle.
- Chemistry
Sodium and other alkali explosions finally explained
A high-speed camera snaps sharp details of how alkali metals explode in water — a classic, but until now, not fully explained chemical reaction.
