Uncategorized
-
Physics
When warming up causes cooling down
Under the right circumstances, heating a tiny cluster of sodium atoms makes its temperature fall.
By Peter Weiss -
Physics
Physicists get B in antimatter studies
New observations that subatomic particles called B mesons decay differently from their antimatter versions may help explain why the universe is made almost entirely of matter, not antimatter.
By Peter Weiss -
Quoll male die-off doesn’t fit pattern
Males of a ferretlike marsupial called a quoll die off after one mating season-unusual behavior that suggests the need for new theories of why such deaths occur after mating.
By Susan Milius -
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 -
Tech
Flying 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 -
Astronomy
Magnetic 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 -
Astronomy
In 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 & Medicine
Surveying the Swiss: The eyes have it
Magnetic resonance imaging can help determine the health of a wheel of cheese.
-
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.
-
Health & Medicine
The Good Trans Fat
One arcane family of fats may be tapped to treat or prevent a host of diseases.
By Janet Raloff