Chemistry
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We summarize the week's science breakthroughs every Thursday.
- Chemistry
Pesticides tied to lower IQ in children
Chemicals once sprayed in homes — and still used on farms — were found to have significant effects in three studies.
By Janet Raloff - Chemistry
Molecules/Matter & Energy
A quantum state is teleported, plus twisty light and foamy graphene in this week's news.
By Science News - Chemistry
Plants and predators pick same poison
Zygaena caterpillars and their herbaceous hosts independently evolved an identical recipe for cyanide.
- Chemistry
Molecules/Matter & Energy
3-D effects without the glasses, plus portable X-rays and linking qubits in this week’s news.
By Science News - Tech
Fishy fat from soy is headed for U.S. dinner tables
Most people have heard about omega-3 fatty acids, the primary constituents of fish oil. Stearidonic acid, one of those omega-3s, is hardly a household term. But it should become one, researchers argued this week at the 2011 Experimental Biology meeting.
By Janet Raloff - Math
Cells take on traveling salesman problem
With neither minds nor maps- chemical-sensing immune players do well with decades-old mathematical problem, a computer simulation reveals.
- Humans
Record ‘Arctic’ ozone minimum expands beyond Arctic
In mid-March, our online story about the thinning of stratospheric ozone over the Arctic noted that conditions appeared primed for regional ozone losses to post an all-time record. On April 5, World Meteorological Organization Secretary-General Michel Jarraud announced that Arctic ozone had indeed suffered an unprecedented thinning. And these air masses are on the move to mid-latitudes.
By Janet Raloff - Chemistry
Molecules/Matter & Energy
A new way to fold a paper bag, plus good apples and designer silk in this week’s news.
By Science News - Humans
Hidden dalliance revealed by X-rays
A high-tech analysis uncovers a 19th century painter’s do-over.
- Humans
Just breathing in Iraq can be hazardous
Poor air quality is an added danger for troops, testing indicates.
- Chemistry
Japan nuke accident seen from Seattle
Radioactive particles retrieved in the Pacific Northwest offer clues to events inside the crippled Fukushima Daiichi plant.
By Devin Powell - Chemistry
Molecules/Matter & Energy
Sulfur found in life's possible early building blocks, plus fingerprint clues and frozen blood in this week's news
By Science News