Uncategorized
-
Mass illness tied to contagious fear
Researchers have linked a recent outbreak of illness at a Tennessee high school to psychological factors rather than toxic gas exposure, as originally suspected.
- Health & Medicine
Nerve cells of ALS patients harbor virus
Fragments of viral genetic material show up with unusually high frequency in nerve tissue of patients with ALS, or Lou Gehrig's disease, suggesting a link between the virus and this lethal illness.
-
For geneticists, interference becomes an asset
A new method of disrupting genes, called RNA interference, works in mouse cells.
- Astronomy
X-ray Data Reveal Black Holes Galore
Using a sensitive, new X-ray telescope, astronomers have identified the origin of the high-energy part of the X-ray background and found that supermassive black holes at the cores of galaxies are far more numerous than visible-light surveys indicate.
- Math
Fractal Roots and Artful Math
The term “mathematical art” usually conjures up images of M.C. Escher’s endless staircases, Möbius-strip ants, and mind-boggling tilings. Or it might remind one of the intimate intertwining of mathematics and art during the Renaissance with the development of perspective painting and eye-teasing stagecraft. A view of the recent MathArt/ArtMath show at the Selby Gallery in […]
- Math
Fractal Roots and Artful Math
The term “mathematical art” usually conjures up images of M.C. Escher’s endless staircases, Möbius-strip ants, and mind-boggling tilings. Or it might remind one of the intimate intertwining of mathematics and art during the Renaissance with the development of perspective painting and eye-teasing stagecraft. A view of the recent MathArt/ArtMath show at the Selby Gallery in […]
- Humans
Solar series wins award for Science News
The Solar Physics Division of the American Astronomical Society has given its 2002 popular writing award to Ron Cowen and Sid Perkins for a two-part series on cyclic variations in the sun's activity.
-
-
Ironing out underarm odor
Chemicals that deprive bacteria of iron may improve deodorants.
-
Bacterial genes and cell scaffolding
A bacterium may have revealed the origin of a key cell structure.
- Astronomy
Seeing Red: A cool revival of Hubble’s infrared camera
New images provide a graphic demonstration that the Hubble Space Telescope's infrared vision has been restored.
- Health & Medicine
Efficient Germ: Human body boosts power of cholera microbe
Some genes in the cholera-causing bacterium Vibrio cholerae are activated and others are silenced when the microbe passes through the human gut, changes that make the bacterium more virulent.
