News
- Health & Medicine
Sedentary Off-hours Link to Alzheimer’s
People who have Alzheimer's disease in old age were generally less active physically and intellectually between the ages of 20 and 60 than were people who don't have the disease.
- Physics
When warming up causes cooling down
Under the right circumstances, heating a tiny cluster of sodium atoms makes its temperature fall.
- 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.
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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.
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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.
- 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.
- 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.
- Health & Medicine
Surveying 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.
- Health & Medicine
Mice 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.
- Health & Medicine
Fat harbors cells that could aid joints
Researchers have found a way to trick fat into generating cartilage.
