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Some male birds and mammals congregate in communal courting grounds called leks.
Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Japanese Watermelon
A nerve cell (neuron) has extensions called dendrites