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Cnidarians have specialized stinging cells called cnidocytes
Reindeer antlers grow again each year under a layer of fur called velvet. This reindeer is losing th
Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
This fisherwoman from Kerry, one of the poorest counties in Ireland, may have been one of the many t
Cancer cells can move to new locations in the body, a process called metastasis
A thin cleft, called the synapse, separates one cell from another.