Uncategorized
- Astronomy
Deepest Vision Yet: Hubble takes ultralong look at the cosmos
Astronomers unveiled the deepest visible-light portrait of the universe ever taken, a million-second-long exposure by the Hubble Space Telescope that includes near-infrared images of what appear to be the most-distant galaxies known.
By Ron Cowen - Anthropology
Brain Size Surprise: All primates may share expanded frontal cortex
A new analysis of brains from a variety of mammal species indicates that frontal-cortex expansion has occurred in all primates, not just in people, as scientists have traditionally assumed.
By Bruce Bower -
Scrambled Dogma: Stem cells may make new eggs in women
Scientists may have come up with a new explanation for how a woman's biological clock works.
By John Travis -
Medieval Science
This page provides links to a wide variety of materials devoted to different aspects of medieval science. Compiled by James McNelis, editor of a journal on medieval literature, the links cover such topics as alchemy, hunting and falconry, archaeoastronomy, horology, mathematics, botany, medicine, and cartography. Go to: http://members.aol.com/mcnelis/medsci_index.html
By Science News - Earth
Diesel fumes suppress immune response
Recurring exposure to soot particles from diesel exhaust fumes reduces the immune system's capacity to fend off infection, tests on rodents indicate.
By Ben Harder - Health & Medicine
Two arthritis drugs work best in tandem
Two anti-inflammatory drugs for rheumatoid arthritis—methotrexate and etanercept—work better together than either does individually.
By Nathan Seppa -
19389
There are added benefits to methotrexate and etanercept for rheumatoid arthritis patients, such as myself. After a recent major flare-up, my rheumatologist put me on that therapy. Many people don’t realize that along with inflammation and pain, arthritis also brings major fatigue and lack of sleep because of pain. I feel much better now, and […]
By Science News - Earth
Pompeii debris yields calamity clues
The magnetic characteristics of rocks and debris excavated from Pompeii reveal the changing temperatures of the volcanic ash cloud that smothered the Italian city in A.D. 79.
By Sid Perkins - Anthropology
Extinct ancestor wasn’t so finicky
Contrary to much anthropological thought, the genus Paranthropus showed as much dietary and behavioral flexibility as ancient Homo species did between 3 million and 1 million years ago.
By Bruce Bower - Earth
Deep Pacific waters warmed in recent years
Oceanographic data gathered across the North Pacific in 1985 and again in 1999 indicate that the deepest waters there have been heating up.
By Sid Perkins - Chemistry
New champions among corrosive microbes
Newly discovered strains of bacteria have developed a metabolic shortcut for eating away iron with great efficiency.
- Materials Science
Cinching nanotubes into tough fibers
Irradiating bundles of carbon nanotubes can lead to tougher fibers.