All Stories
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Light switch
A photosensitive molecule makes switching off a gene as simple as flicking on a light.
By Brian Vastag -
TechCorny collagen
Corn engineered to produce collagen may someday replace slaughterhouse leftovers as a source of gelatin.
By Brian Vastag -
EarthArctic snow was dirtier in early 1900s
Arctic snow collects less soot now than it did a century ago, but it's still dirtier than it was before the Industrial Revolution.
By Sid Perkins -
AnimalsBats hum for sugar too
Some nectar-feeding bats metabolize sugars as rapidly as hummingbirds do.
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Believers gain no health advantage
Strong religious beliefs or practices don't appear to benefit depressed or socially isolated heart attack survivors.
By Bruce Bower -
Health & MedicineWhen antioxidants go bad
Overproduction of antioxidants, usually thought to be beneficial, is the cause of an inherited heart disease.
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19877
This article describes the difficulty of moving from exporting one product to exporting another in terms of a “distance” between various products. I would imagine, however, that a nation that already manufactures computers, for example, could easily move into calculators, but that the reverse might not be true. Did the researchers consider the directionality of […]
By Science News -
HumansThe Wealth of Nations
Analysis of the connections among different types of economic activities explains why some countries succeed, and others fail, in diversifying their economies.
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Rethinking Bad Taste
Many animals use mimicry to gain a competitive advantage, but are there degrees of cheating?
By Susan Milius -
EarthDon’t Bite the Dust
Several studies show that children and adults accumulate substantial amounts of the flame retardants called PBDEs—from food, breast milk, and probably house dust.
By Janet Raloff -
ComputingCan You Face It?
The University of St. Andrews, in Scotland, has developed some face-transforming software that allows people to change the age, sex, or ethnicity of the person in an image that you export from your computer. Or, blend features from a number of faces into one amalgam. If all that is too creepy, then just import art […]
By Science News -
Health & MedicineMeasuring Soft Drinks’ Jolt
Researchers report what most soft-drink labels don't: how much caffeine your refreshments contain.
By Janet Raloff