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Stick insects: Three females remain
An Australian expedition locates three females of a big, flightless stick insect species thought to have gone extinct.
By Susan Milius -
Why Fly into a Forest Fire?
Scientists puzzle over why some wasps and beetles race to forest fires.
By Susan Milius -
From the March 7, 1931, issue
CANYON DE CHELLY NOW NATIONAL MONUMENT A famous canyon of the West, with ancient Indian ruins under the shelter of its thousand-foot red walls, has been given the status of a National Monument, by an act of Congress recently signed by the President. This is the Canyon de Chelly in Arizona, with its tributaries, Canyon […]
By Science News -
TechFlying Leap
In the history of human flight, first came the daring tinkerers who gave wings to the pent-up human desire to soar. In the wake of their successes came a remarkable proliferation of flying machines, spacecraft, and colorful characters. At this Web site, the American Institute of Aeronautics and Astronautics celebrates these achievements with an annotated […]
By Science News -
AstronomyMagnetic flip heralds solar max
Scientists have found another indicator that the sun has reached the maximum of its current activity cycle: The polarity of its magnetic field has reversed.
By Ron Cowen -
AstronomyIn moon race, Saturn is still champ
New discoveries have raised the retinue of Saturn's known moons to 30, making the ringed planet the solar system's champ.
By Ron Cowen -
Health & MedicineSurveying the Swiss: The eyes have it
Magnetic resonance imaging can help determine the health of a wheel of cheese.
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Living it up below the ice sheet?
A recent earthquake in Antarctica points toward geologic activity that could provide the energy necessary to incubate life in a liquid lake deep beneath the ice.
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Health & MedicineThe Good Trans Fat
One arcane family of fats may be tapped to treat or prevent a host of diseases.
By Janet Raloff -
Health & MedicineMice reveal new, severe form of allergy
Researchers studying an induced condition in mice akin to multiple sclerosis have stumbled across a situation in which mice suffered a severe allergic reaction to injected protein fragments that mimic one their own proteins.
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Roach females pick losers with good scents
Male Tanzanian cockroaches lose fights if they have too much of a particular pheromone, but females find it alluring.
By Susan Milius -
Health & MedicineFat harbors cells that could aid joints
Researchers have found a way to trick fat into generating cartilage.
By Linda Wang