Animals
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AnimalsBat bites bird. . .in migration attacks
The largest bat in Europe may hunt down migrating birds.
By Susan Milius -
AnimalsRoach gals get less choosy as time goes by
As their first reproductive peak wanes, female cockroaches become more like male ones, willing to mate with any potential partner that moves.
By Susan Milius -
AnimalsDon’t look now, but is that dog laughing?
Researchers have identified a particular exhalation that dogs make while playing as a possible counterpart to a human laugh.
By Susan Milius -
AnimalsCondor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
By Janet Raloff -
AnimalsMicrobe lets mite dads perform virgin birth
A gender-bent mite—in which altered males give birth as virgins—turns out to be the first species discovered to live and reproduce with only one set of chromosomes.
By Susan Milius -
AnimalsFruit flies hear by spinning their noses
Drosophila have a rotating ear—and odor-sensing—structure that's new to science.
By Susan Milius -