News
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AnimalsUltrasound alarms by ground squirrels
Richardson's ground squirrels may occasionally use ultrasound when calling out in response to a disturbance.
By Susan Milius -
AnimalsWhy does a buddy help another male flirt?
The sidekick male in the two-bird courtship display of lance-tailed manakins has to leave when the mating starts but may reap delayed benefits in real estate and performance practice.
By Susan Milius -
AnimalsFarmer ant species may have lost all its males
A fungus-growing ant may be the first ant species known to have no power of sexual reproduction.
By Susan Milius -
AnimalsJumping spiders buzz, thump when dancing
Some jumping spiders, long considered visually oriented animals, turn out to utilize seismic communication for a successful courtship.
By Susan Milius -
Two-handed protein may protect DNA
An unusually shaped protein may help a bacterium thrive in tough times.
By John Travis -
Health & MedicineCeliac disease affects kids’ minds
Attention deficits and learning disabilities have joined the list of neurological problems associated with the intestinal disorder known as celiac disease.
By Ben Harder -
Neurons take charge to change messages
Neurons in a developing embryo respond to changes in their electrical activity by altering the types of chemical messengers that they produce.
By Bruce Bower -
Planetary ScienceCometary encounter
Planetary scientists are feasting on close-up images of Comet Wild 2 as well as on the first information about its composition.
By Ron Cowen -
EarthLong dry spell
Falling reservoir levels in the western United States are just one symptom that the region is suffering through a drought that may be the worst to strike in the past 500 years.
By Sid Perkins -
When Protein Breakdown Breaks Down: Bacterial toxin yields signs of Parkinson’s
Certain compounds that hinder cells from destroying waste proteins can produce symptoms of Parkinson's disease in rats.
By Ben Harder -
Materials ScienceCool Magnet: A little bit of iron gives magnetic refrigeration a boost
An improved material moves magnetic refrigeration one step closer to commercial reality.
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Mr. Universe Jr.: Child’s gene mutation confirms protein’s role in human-muscle growth
A boy born with extra-large muscles has mutations in a gene regulating muscle growth.
By John Travis