Do dogs really descend from wolves?

Curled up on the sofa, you watch your dog snoozing nearby. Is he dreaming of the bowl of biscuits he gobbled down? Or could he be picturing the great odyssey of his forbearers, who roamed in packs across the vast steppes ...

That jumping spider can hear you from across the room

According to the standard textbooks, spiders are acutely sensitive to airborne vibrations from nearby sources. That is, they are supposed to respond to sounds and "hear," but only when the sound is coming from a few centimeters ...

Hanging in there: Koalas have low genetic diversity

A species relies on genetic diversity to survive and low diversity usually indicates that there has been inbreeding due to a decrease in population size. By looking at historic mitochondrial DNA (mtDNA) from museum samples, ...

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