Animals
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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.
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Animals
Condor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
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Animals
Microbe 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.
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Animals
Fruit flies hear by spinning their noses
Drosophila have a rotating ear—and odor-sensing—structure that's new to science.
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