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AnimalsWalking sticks mimic two leafy looks and split their species
A species of walking stick may be evolving into two species by adapting to different environments.
By Susan Milius -
PhysicsAtom laser gets a full tank
A method to refill Bose-Einstein condensates—ultracold clouds of atoms all in the same quantum state—may soon make possible the first atom lasers that can shoot a stream of condensate atoms indefinitely.
By Peter Weiss -
AnimalsMole-rats: Kissing but not quite cousins
Damaraland mole-rats live underground in rodent versions of bee hives, but a genetic analysis of these colonies finds that kinship isn't very beelike.
By Susan Milius -
TechPaint-on displays get closer to reality
By smearing on a coating and hardening it with light, researchers have created a new kind of electronic display.
By Peter Weiss -
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.
By Bruce Bower -
ChemistrySteering 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.
By Peter Weiss -
EarthThe Air That’s Up There
Researchers are exploring how trees affect the chemistry of the atmosphere.
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TechDeep Vision
Increasingly available virtual-reality gear gives scientists, engineers, and planetarium visitors new perspectives.
By Peter Weiss -
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.
By Science News -
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 […]
By Science News -
Health & MedicineSleep 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/
By Science News