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Some male birds and mammals congregate in communal courting grounds called leks.
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
Behaviors that are suspicious for substance abuse
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...