News
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AnimalsClimate change now bigger menace than forest loss for snowshoe hares
Shorter snow seasons push climate change ahead of direct habitat loss as menace for Wisconsin snowshoe hares.
By Susan Milius -
Health & MedicineCancer killers send signal of success
Newly designed nanoparticles deliver anticancer drugs and updates on tumor death.
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ClimateOrganic molecules help fatten cloud-making water droplets
Cloud-forming water droplets can grow larger thanks to organic molecules on the exterior of the drop, new research suggests.
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GeneticsScientists build minimum-genome bacterium
Minimal genome organism reveals how much scientists don’t know about biology.
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AnimalsIt’s an herbivore-kill-herbivore world
Female prairie dogs killing babies of another species might keep competitors off the grass.
By Susan Milius -
NeuroscienceBrain holds more than one road to fear
A study on rare patients suggests that fear can take many paths through the brain.
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AnimalsFemale burying beetle uses chemical cue to douse love life
While raising their young, burying beetle mothers produce a chemical compound that limits their male partner’s desire to mate.
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EarthCO2 shakes up theory of how geysers spout
Carbon dioxide helps fuel eruptions of Spouter Geyser, and perhaps other features, in Yellowstone National Park, new research suggests.
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Planetary ScienceComets carried noble gases to Earth
Asteroids might have delivered water to Earth, but comets could be responsible for noble gases and amino acids, a new study suggests.
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MathMathematicians find a peculiar pattern in primes
Consecutive prime numbers don’t behave as randomly as mathematicians assumed.
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HumansPacific islanders got a double whammy of Stone Age DNA
Neandertal and Denisovan genes influence the health of present-day Melanesians.
By Bruce Bower -
NeuroscienceLost memories retrieved for mice with signs of Alzheimer’s
Using light, scientists coaxed a forgotten memory from the brains of mice with Alzheimer’s-like symptoms.