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Image of a Planet: Too Hot to
be True?
According to several astronomers, new unpublished data suggest that
an image unveiled 13 months ago as the first picture of a possible extrasolar
planet is merely a star.
Cows' milk, diabetes connection
bolstered
After getting formula containing cows' milk, babies predisposed to diabetes
are more likely to show immune reactions associated with diabetes than
are babies who received a substitute formula.
Lead and bad diet give a kick
in the teeth
A new study implicates lead in tooth decay, and two others suggest dietary
strategies that might help counter lead toxicity.
Tin replaces lead in automobile steel
A new leadfree alloy is cheaper and easier to recycle than the conventional
steel used to make some automobile parts.
Testosterone keeps male brain in shape
Even during adult life, testosterone helps make at least one area of
the male brain larger than that area in the female brain.
Warmer climate spurred ancient plant pests
Insects in Earth's past thrived during a period of global warming, a
finding that suggests that temperature underlies the great variety of
species in the tropics.
Nocturnal spider favors artificial lights
A spider that feeds at night shows an intriguing inborn preference for
building its webs near artificial lights.
Old Glory, New Glory
The Star-Spangled Banner gets some tender loving care
Over the next 3 years, the 185-year-old flag that inspired the U.S. national anthem will be studied, cleaned, and preserved in a custom-built museum laboratory.
