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Weight Matters: Big and little mouse pups become obese adults
Being either overnourished or undernourished before birth can alter gene activity, leading to obesity during adulthood.
- Astronomy
Alien Light: Taking the spectra of extrasolar planets
Astronomers have for the first time recorded the spectra of light emitted by two extrasolar planets.
- Health & Medicine
Inside job dissolves blood clot pronto
An experimental procedure that delivers a clot-busting drug directly to the brain can bring on a remarkable turnaround in some stroke patients.
- Health & Medicine
Aspirin resistance carries real risks
Some people are resistant to the blood-thinning effects of aspirin, making them more vulnerable to stroke or heart problems.
- Health & Medicine
Aneurysm risk may get passed down
A heightened risk of having a brain aneurysm seems to be passed down in some families, and the life-threatening rupture of an aneurysm appears to strike earlier in a succeeding generation.
- Health & Medicine
Brains carry odd load after strokes
People who die from a stroke have accumulations of a protein called amyloid beta in the thalamus, a part of the brain involved in motor control and sensory processing.
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Bacteria go for a spin
Researchers may have found the mechanism powering a mysterious gliding motion in bacteria.
- Health & Medicine
Want that fiber regular or decaf?
Coffee is a significant, and previously unrecognized, source of dietary fiber.
- Humans
USDA proposes an office of science
The Bush administration's proposed 2007 farm bill would merge two existing U.S. Department of Agriculture research agencies into a single office of science.
- Planetary Science
Solar craft reaches a new low
The Ulysses spacecraft passed directly below the sun on Feb. 7, looking up at its south pole, a feat the craft has done only twice before.
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19795
Fractal characteristics associated with Jackson Pollack’s paintings are interesting, but to determine authenticity, it would seem that two propositions would have to be proved: first, that Pollack’s paintings always had fractal character; and second, that only Pollack’s paintings had fractal character. Both seem highly dubious. Steve JohnsonPrairie Village, Kan. In doing drip or splash painting, […]
- Humans
Fractal or Fake?
A physicist who uses fractals to investigate the authenticity of some paintings attributed to Jackson Pollock finds that the works may be fake. But is the flaw in the paintings or in the fractal analysis?
