Uncategorized
- Physics
Stradivari’s secrets
Three-dimensional imaging of a classic violin's vibrations explains the instrument's superior ability to direct sound to the audience.
- Chemistry
A sweet way to replace petroleum?
Thanks to a new chemical process, many products now manufactured from petroleum could one day be made from sugar molecules.
- Health & Medicine
Nerves are key to longevity effect
The life-extending effect that some animals get from calorie-restricted diets may depend on signals from the brain.
- Earth
Double-acting bacteria immobilize toxic nanoparticles
Bacteria lurking in the bowels of an abandoned Wisconsin mine might help remove toxic metals from polluted water.
- Animals
West Nile virus hits bird populations
West Nile virus has hammered populations of five common North American birds.
- Planetary Science
Eris dwarfs Pluto
Ex-planet Pluto suffers another demotion, as observations show that it's much less massive than Eris, another distant denizen of the outer solar system.
- Tech
A computer in every cell
Artificial genes inserted into cells make RNA molecules that can perform logical computations.
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19849
With respect to this article on kimberlites, diamonds, and mantle fractures, may I suggest that the fractures in question emanate from hypervelocity bolide impacts on Earth. There is ample spatial correlation between impact craters formed by oblique impacts with crustal-fracture systems that propagated outward along the direction of impact. Gregory C. HermanNew Jersey Geological SurveyTrenton, […]
- Earth
A Gemstone’s Wild Ride
Diamonds may be carried to the surface in explosions of gas and rock fizzing up from deep within Earth's mantle.
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19848
Your review of Alex Vilenkin’s book Many Worlds in One: The Search for Other Universes, above, contained an often-made error. In Guth’s inflation model, during the first “zillionth of a second,” the universe did not inflate “to cosmic scale.” It inflated to about the size of a large grapefruit. Then it began its slow expansion. […]
- Humans
Summer Reading
The staff of Science News presents wide-ranging recommendations of books for readers to pack for their summer vacations.
- Humans
Letters from the June 30, 2007, issue of Science News
Hot and cold on the topic No mention was made in “In the Zone: Extrasolar planet with the potential for life” (SN: 4/28/07, p. 259) of the possibility that, being so close to its star and having a 13-day orbital period, the planet would keep the same surface to the star. Having one side baked […]
