Uncategorized
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19673
This article refers repeatedly to black holes “swallowing matter and spitting out [or sending out] energy.” What really “spits out” or “sends out” anything is not the black hole itself, but the disk of gas that’s in the process of being mostly sucked irreversibly into the black hole. Bruce MoomawCameron Park, Calif.
- Earth
Brain Delay: Air pollutants linked to slow childhood mental development
Pollutants spewing from vehicles and power plants may be harmful to fetal brains.
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Nixing Malaria: DNA segment provides parasite resistance
A section of the mosquito genome appears to give the insects a natural resistance to malaria.
- Earth
Seismic Speed Traps: Iron-rich regions may slow deep-Earth vibes
Large quantities of iron-rich minerals may be responsible for the sluggishness of seismic waves traveling through certain regions deep within Earth.
- Physics
Universe in Flux: Constant of nature might have changed
Researchers have found signs that one of the constants of nature has undergone a subtle shift since the universe's infancy.
- Humans
Letters from the April 29, 2006, issue of Science News
Creating a controversy The real irony of ironies is that evolution has not evolved (“Evolution in Action: The trials and tribulations of intelligent design,” SN: 2/25/06, p. 120). When even mainstream evolutionary scientists propose any change to “the fact of evolution,” they are immediately silenced. That’s not science. As it has been practiced by many, […]
- Tech
Long-lasting liposomes
A coat of nanoparticles can prevent a popular lab-made capsule from fusing with its neighbors and losing its structure.
- Paleontology
Dinosaur neck size reaches new extreme
Scientists have unearthed remains of a massive, plant-eating dinosaur whose neck may have been twice as long as its body.
- Earth
Greenland glacial quakes becoming more common
The number of earthquakes that occur beneath surging glaciers in Greenland has doubled in the past 4 years.
- Physics
Abuzz about uranium
A type of atomic vibration never before seen in ordinary solid materials has been observed in uranium.
- Materials Science
Microbe holds fast
A common aquatic microbe makes a sticky substance that produces the strongest biological adhesion ever discovered.
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Mutation blocks fat absorption
A newly discovered gene in zebrafish seems to prevent the animals from absorbing fat molecules from their diets.
