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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
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
Socrates (470–399 B.C.E.) was an Ancient Greek philosopher often called the "father of ...
The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...