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Some male birds and mammals congregate in communal courting grounds called leks.
Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Earthquakes Don’t Kill People—Collapsing Buildings Do
Successful male musical groups may owe some of their popularity among preteen girls to adrenarche.
In many work settings, middle-aged people demonstrate generativity by serving as mentors for their ...