News
-
AnimalsFrog-hunting bats have ‘cocktail party effect’ workaround
Test with robotic frogs finds bats that hunt amphibians switch their attention to other clues if outside noise masks the mating chorus.
By Susan Milius -
LifeRattlesnakes have reduced their repertoire of venoms
The most recent common ancestor of today’s rattlesnakes had a huge set of toxin-producing genes. Modern rattlesnake species have independently ditched some of these genes.
-
ArchaeologyOldest indigo-dyed fabric found
South American society was first known to use complex dye process on fabrics.
By Bruce Bower -
LifeColor vision strategy defies textbook picture
Cone cells in the retina see in black and white and color.