News
-
AnimalsThe secret appetite of cleaner wrasses
The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers.
By Susan Milius -
Health & MedicineAnthrax toxin curbs immune cells
A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response.
By John Travis -
PhysicsAntiglare eye black is better than tape
Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid.
By Nathan Seppa -
Materials ScienceMiniature Motor: Nanotubes central to new rotating device
Researchers have used miniature, nested cylinders, called multiwalled carbon nanotubes, to make a motor only 300 nanometers long.