Uncategorized
- Humans
Letters from the July 31, 2004, issue of Science News
More than child’s play? While reading about the amazing properties of Archimedes’ Stomachion (“Glimpses of Genius,” SN: 5/15/04, p. 314: Glimpses of Genius), I wondered whether a mere child’s toy would exhibit such mathematical precision, with each vertex falling on a lattice point of a 12-by-12 grid. Perhaps Archimedes took the basic plan of the […]
- Math
Math Olympiad in Athens
A team from the United States placed second in this year's International Mathematical Olympiad.
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Wonders of Saturn
As the Cassini-Huygens spacecraft begins its detailed exploration of Saturn, get up-to-date information about this fascinating planet and intriguing moons and rings. The Exploratorium’s colorful Saturn Web pages provide data, images, access to Webcasts, and more. Go to: http://www.exploratorium.edu/saturn/
- Humans
From the July 21, 1934, issue
Artificial lightning surpasses nature's own, Dutch Elm disease attacks trees in eastern states, and zinc found to be an essential part of animal diet.
- Animals
Trail Mix: Espionage among the bees
Tests with two kinds of stingless bees suggest that the more aggressive species uses scent-based espionage to target raids on the milder species' food.
- Health & Medicine
Potential Block for Epilepsy: Researchers find new drug target
Using genetically engineered mice, scientists have identified a new target in the brain for drugs that could prevent epilepsy.
- Earth
Dangerous Dust? Chemicals in plastics are tied to allergies
Elevated risks for developing multiple allergies, including asthma, eczema, and rhinitis, appear to be associated with household exposure to synthetic chemicals called phthalates.
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Parasite Pursuit: Sand fly coughs up leishmania protozoan’s secrets of proliferation
A parasite spread by the sand fly secretes gel into the throat of the fly, which then regurgitates it when it bites a person, spreading the infection.
- Ecosystems
Deep-Sea Cukes Can’t Avoid the Weather: El Niño changes life 2.5 miles down
A 14-year study of a spot 2.5 miles underwater off the California coast shows short-term links between surface events and an abundance of deep-water creatures.
- Earth
Quick Bite: Some gorges carved surprisingly fast
Analyses of rock samples from two river gorges along the Atlantic seaboard suggest that the largest parts of those chasms were carved during a geologically short period at the height of the last ice age.
- Physics
Inside Plastic Transistors: Crystal-clear window opens on hidden flows
By creating a new type of plastic transistor, researchers have identified crucial details regarding electric flow through plastic semiconductors.
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I have been puzzled at the consternation over the findings in this article. It’s common knowledge among people who treat patients with major depression that the time of greatest risk for suicide is when depression begins to lift. The person finally has more energy and mental focus but may still feel awful. Resolved never to […]
