All Stories
- Humans
The high cost of staying current
Reading peer-reviewed journals remains a primary means by which researchers stay on top of developments in their fields, but the annual costs for these periodicals are steep.
- Tech
Nanorods go for the gold
Gold blobs grown onto the ends of tiny, rod-shaped crystals provide potential points for electric contact and chemical liaisons that could enable such semiconductor bits to self-organize into complex circuits or structures.
- Earth
Treaty enacted to preserve crop biodiversity
The United Nations enacted a new international treaty to halt the erosion of genetic diversity of crops.
-
19441
This otherwise well-written and fascinating article contains an error. You write, “Because magnesium is more strongly attracted to oxygen than to silicon, magnesium atoms elbow out the silicon . . . .” The correct statement would be, “Because magnesium is more strongly attracted to oxygen than silicon is attracted to oxygen, magnesium atoms elbow out […]
- Materials Science
Diatom Menagerie
Materials scientists are trying to coerce diatoms into making silicon-based microdevices with specific features.
-
19440
While heart disease victim Jody Gorran’s lawsuit against the Atkins empire will be decided in court, the deadlier battle is being waged in the research laboratory. Several studies confirm that low-carbohydrate diets cause marked cholesterol elevations for many individuals. In contrast, a vegetarian diet high in soluble fiber and soy protein can lower serum cholesterol […]
- Health & Medicine
Counting Carbs
Although low-carbohydrate diets can be powerful weight-loss tools, many physicians now conclude they aren't for anyone who isn't under a doctor's watchful eye.
-
- Humans
From the July 7, 1934, issue
Fireworks in Fairyland, controlling the sex of warm-blooded animals, and deadly atmospheres on Jupiter and Saturn.
- Health & Medicine
Don’t Expect Too Much of Soy
Two new studies find soy isn't an effective hormone-replacement alternative for postmenopausal women.
-
19439
In the close-up from the Cassini spacecraft, some of Saturn’s rings look rather like grooves in a phonograph record. I wonder if anyone has tried mapping those grooves to see if they can be played using the method described in “Groovy Pictures: Extracting sound from images of old audio recordings” (SN: 5/29/04, p. 339: Groovy […]
- Planetary Science
Titanic Images, Groovy Shots: Cassini arrives at Saturn
After a 7-year, 3.5-billion-mile journey, the Cassini spacecraft last week slipped through a gap between two of the icy rings circling Saturn and became the first spacecraft to orbit the distant planet.
