News
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EarthAircraft spies on health of coral reefs
Marine ecologists report the development of a new remote-sensing system that can assess the health of coral reefs from planes.
By Janet Raloff -
A tip of the tongue to the brain
Researchers have identified several brain areas that together underlie the experience of feeling certain that a piece of forgotten information is nonetheless on the tip of one's tongue.
By Bruce Bower -
Audiovisual aids may lessen dyslexia
A short training course in matching sound sequences with visual patterns shows promise as a way to boost reading skills in children with dyslexia.
By Bruce Bower -
Seabird makes citrusy bug repellant
Auklet feathers carry a cocktail of citrus-smelling chemicals, including compounds that squashbugs secrete to repel predators.
By Susan Milius -
Geneticists define new elephant species
A new study of the genetics of African elephants shows that forest dwellers differ so much from those roaming the savannas that the two may be separate species.
By Susan Milius -
Health & MedicineMilk seems to guard against breast cancer
Norwegian scientists have linked high milk consumption to low incidence of breast cancer.
By Janet Raloff -
TechQuantum bell rings to electron beat
A new nanoscale transistor that parcels out electrons with metronome-like regularity has the potential to lead to designs for electronic noses and tiny devices inside of cell phones.
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TechCrystal listens for telltale sounds of virus
Scientists have built a device that can hear the movement of viral particles in fluids.
By John Travis -
Health & MedicineHindering glutamate slows rat brain cancer
Compounds that inhibit the amino acid glutamate impede a form of brain cancer called glioma in rats.
By Nathan Seppa -
AnimalsIt’s a snake! No, a fish. An octopus?
An as-yet-unnamed species of octopus seems to be protecting itself by impersonating venomous animals from sea snakes to flatfish.
By Susan Milius -
Human Brains May Take Unique Turn
Preliminary evidence indicates that the human brain may undergo a unique form of fetal development that facilitates the growth of brain areas involved in symbolic thought and language.
By Bruce Bower -
ComputingComputer paints a charged bioportrait
By employing a novel computational strategy, researchers have mapped the electrical landscape of biological molecules made up of more than 1 million atoms.