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19460
Astronomers and physicists seem to speak of black holes as though they took matter completely out of the universe. An evaporating black hole would not fizz away into nothingness. It would lose energy and reappear in normal space as a very dense object (complete with information). Someone might consider this when discussing quasars. Nancy ParkerCaldwell, […]
- Physics
Information, Please
Understanding whether the information swallowed by black holes is destroyed forever may provide physicists with new clues for unifying gravity and quantum theories.
- Tech
Hungry for Nano
The food industry is turning to nanotechnology as it searches for innovations that could bring safer, healthier, and tastier products to consumers.
- Math
Sunlight Speckle
Lasers are not the only light sources that can produce a speckle pattern on a rough surface.
- Humans
From the September 15, 1934, issue
Magnificent Mt. Rainier, high-altitude rockets, and how motion pictures change children's attitudes.
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Click and Clone
The Genetic Science Learning Center at the University of Utah has an interactive Web site that teaches the basics of somatic cell cloning, the type of cloning used to create Dolly the sheep. The central focus of the click-and-clone exercise—to clone a brown mouse named Mimi—is based on a real experiment performed by researchers at […]
- Health & Medicine
Motor Ways: Gene mutation impairs muscle coordination
Scientists have identified a gene mutation that appears to cause the motor impairment that occurs in a rare disorder called Joubert syndrome.
- Animals
Pirates of the Amphibian: Males fertilize eggs of another guy’s gal
For the first time among amphibians, scientists have found frogs that sneak their sperm onto egg clutches left by another mating pair.
- Health & Medicine
Tapping an Unlikely Source: Scientists use mouth membrane to construct corneal-surface transplants
Using membranes taken from the inside of the mouth, researchers have fashioned transplants that act as replacement outer layers for corneas in people with damaged vision.
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Flies ‘R’ Us: Fruit fly cells mimic the mammalian pancreas
A new study suggests that the common fruit fly has cells that function much as those in the human pancreas do.
- Materials Science
Nanotech Goes to New Lengths: Scientists create ultralong carbon nanotubes
In an advance toward making superstrong fibers, chemists have synthesized a 4-centimeter-long carbon nanotube, the longest nanotube reported to date.
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Mothering Malnutrition: Moms’ depression weighs on infants in Pakistan
Maternal depression critically contributes to malnutrition-related health problems among infants in rural Pakistan.
