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Planetary Science
Far-out science
New measurements show that the planetoid Sedna spins more rapidly than earlier observations had suggested.
By Ron Cowen -
Health & Medicine
When the stomach gets low on acid
A study in mice shows that a shortage of stomach acid can lead to cancer, apparently as a result of bacterial overgrowth and inflammation.
By Nathan Seppa -
Many cyanobacteria make a neurotoxin
A brain-damaging toxin, once believed to come only from a group of tropical plants and their live-in microbes, turns out to be much more widespread.
By Susan Milius -
Health & Medicine
Licorice ingredient ferrets out herpes
A compound in licorice homes in on lab-grown cells infected with a herpes virus and induces them to self-destruct.
By Nathan Seppa -
Paleontology
Early mammal had newfangled fangs
A tiny mammal that lived in Colorado about 150 million years ago had hollow teeth that lacked enamel, a characteristic that didn't reappear in mammals for another 100 million years.
By Sid Perkins -
Planetary Science
The Huygens Chronicles
After several months of painstaking work analyzing data from the Huygens probe, planetary scientists are able to see the surface of Saturn's moon Titan in greater detail than ever before.
By Ron Cowen -
19547
It is frustrating to read of studies endeavoring to study brain activity as related to reading and thinking. What the researchers are observing, in my opinion, is brain activity related to building a lexicon. Animals and children “think” without a lexicon. “Ethan” was intensely interested in symbols but not exceptional in relating those symbols to […]
By Science News -
Read All about It
Brain studies and cross-cultural investigations indicate that the neural path to becoming a good reader varies, depending on a person's inherent capacity for assessing print and on the design principles of his or her native writing system.
By Bruce Bower -
Humans
Letters from the April 23, 2005, issue of Science News
The shark as red herring I’m sure you published “A Fishy Therapy,” (SN: 3/5/05, p. 154) in good faith, but I believe that claims for shark cartilage are not made seriously by anyone who studies the role of natural substances in cancer prevention. It was proved ineffective long ago. I think your article does a […]
By Science News -
Humans
From the April 20, 1935, issue
Workings of human body portrayed in new exhibit, tapping brain waves to study epilepsy, and the discovery of a new amino acid.
By Science News -
Physics
Einstein at Home
The Einstein@Home program offers participants a chance to use idle time on their computers to search for spinning pulsars in data collected by gravitational-wave detectors in the United States and Europe. This Web site describes the program and lets you sign up your computer for cutting-edge astrophysics research. Go to: http://einstein.phys.uwm.edu/
By Science News