Uncategorized
- Space
Visible echoes reprise 19th century spectacle
By capturing light that arrived from a stellar eruption more than 150 years ago, astronomers gain clues to its cause.
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- Health & Medicine
Antibiotic fails sinus infection test
Treatment with amoxicillin provided little benefit over placebo, a new study finds.
- Humans
Despite lean times, Obama wants R&D hikes
The proposed federal budget would stall nonmandated spending overall, but science and tech would climb.
- Humans
Food exports can drain arid regions
Many dry regions ‘export’ large amounts of water in the form of agricultural products.
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- Health & Medicine
Just two cells to make memories last
A pair of neurons in fly's brain is essential to long-term information storage and retrieval.
- Psychology
Vodka delivers shot of creativity
Alcohol intoxication raises men’s performance on a test of verbal ingenuity.
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Soaring pterosaur
With a mechanical brain, a pterosaur replica soars.
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Letters
Connecting the lincs As a physician, I was absolutely astounded reading “Missing lincs” (SN: 12/17/11, p. 22) and still am. We have been waiting since DNA was discovered to find this ‘what makes us human’ aspect of our biochemistry. Even in the infancy of this research, we are discovering the chemical reasons for a type […]
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SN Online
LIFE Plant species grafted together can swap DNA via energy-catching organelles. See “Plants swap chloroplasts via grafts.” HUMANS Social networks can spread users’ emotions. Learn more in “Catching a mood on Facebook.” ATOM & COSMOS A solar flare set off auroras around the Arctic Circle. See “Solar storm.” BODY & BRAIN Protein-based disease agents can […]
