Uncategorized
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Baby talk goes to the dogs, and cats
Acoustic differences in the "baby talk" that mothers use with their infants and with family pets support the notion that adults use this form of speech to teach language skills to their babies.
- Chemistry
Steering reactions with light
A light-based scheme for guiding the motion of chemical wave fronts may suggest ways to control analogous waves present in epileptic seizures and heart arrhythmias.
- Earth
The Air That’s Up There
Researchers are exploring how trees affect the chemistry of the atmosphere.
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19007
Immersive visualization environments such as CAVES can’t function without graphics supercomputers. Your article omitted the unifying factor behind all of its examples: the supercomputing power that made these environments possible. SGI is the company that provides the computer power behind the installations cited in the article. Chodi McReynolds, SGIMountain View, Calif.
- Tech
Deep Vision
Increasingly available virtual-reality gear gives scientists, engineers, and planetarium visitors new perspectives.
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From the May 28, 1932, issue
FLYING ARCHAEOLOGIST MAKES UNIQUE PICTURE RECORD Flying over the far-flung ruins of civilizations, which his own scientific institution is busily exploring from the ground, Charles Breasted of the Oriental Institute of the University of Chicago has obtained 12,000 feet of unique motion picture film, showing the work of “the largest archaeological research organization in the […]
- Health & Medicine
Sleep Time
The International Sleep Medicine Association has created a Web site that brings together a wide variety of information sources concerning sleep health and sleep disorders. It includes access to online video lectures on various aspects of sleep, chat rooms and message boards, and links to news stories. Go to: http://www.1sleep.com/
- Math
Crystal Möbius
Take a ribbon of paper, twist one end 180 degrees, and attach it to the other end. The resulting surface, called a Möbius strip, has only one side and one edge. Scanning electron microscope image shows niobium selenide crystals in a Möbius-strip conformation (top). In the schematic diagram (bottom), a white ribbon represents a niobium […]
- Chemistry
Carbon nanotubes burn when flashed
Carbon nanotubes can ignite when exposed to an ordinary camera flash.
- Humans
Science Derby: Student research and inventions nab awards
On May 12, more than 1,200 high school students came to Louisville, Ky., to vie for more than $3 million in scholarships and prizes at the Intel International Science and Engineering Fair.
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19063
This article assumes that changes in the way the brain handles verbal responses are due to an inevitable “physical maturation.” I wonder to what extent these brain changes (and many others) are a side effect of literacy and what exactly are the trade-offs for learning how to read and write. This study could be made […]
