Uncategorized
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Light switch
A photosensitive molecule makes switching off a gene as simple as flicking on a light.
- Tech
Corny collagen
Corn engineered to produce collagen may someday replace slaughterhouse leftovers as a source of gelatin.
- Earth
Arctic 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.
- Animals
Bats 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.
