News
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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 -
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 & 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 -
PhysicsRun-of-the-mill compound becomes superstar
The discovery that simple, common magnesium diboride can conduct electric current without resistance and does so at a surprisingly high temperature has sent physicists racing to understand its properties and to try to improve upon them.
By Peter Weiss -
Some police see through killer’s lies
For the first time, a person's ability to size up a highly motivated liar has been assessed in a study of police officers viewing videotaped interviews of a murder suspect.
By Bruce Bower -
Planetary ScienceImages suggest icy eruptions on Ganymede
New stereo images of Ganymede, the solar system's largest satellite, suggest that eruptions of water or slushy ice a billion or more years ago gave parts of the moon a facelift, creating long, flat bands of nearly pure water-ice.
By Ron Cowen -
Health & MedicineVaccine may prevent some cervical cancers
A new vaccine spurs people to produce a strong immune response against human papillomavirus, a virus that can infect both men and women and causes cervical cancer in women.
By Nathan Seppa