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Humpbacks frequently breach, throwing two thirds or more of their bodies out of the water and splash
Desert cottontail as seen from behind such that the white tail is easily visible
This chart illustrates the four quadrants in which we can place the relationships between the state
Health Benefits of Marriage
Oil molecules cling to metal surfaces but easily slide against each other.
Genital herpes—U.S. initial visits to physicians' offices, 1866–2009.