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Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Platycnemididae are a family of damselfly called white-legged damselflies.
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Children with disabilities used to be sent to special schools. In a process called mainstreaming or ...
The illusory bands visible in this figure are often called Mach bands, although Mach used a ...