Biology

Footage explains the biology behind male and female sexual arousal in…

Footage shows how the human body changes, both for women and men, when…

Doctor speaks about the cancer of the uterus. He uses a graphic to…

Clip shows graphics of the male and female sexual organs, what happens…

Dead fish floating in the Klamath River in northern California due…

Dead fish floating in the Klamath River in northern California due…

Dead fish floating in the Klamath River in northern California due…

CU of the top of a cannabis plant with orange pistils.  A cluster…

Men handling cannabis plants.  A CU of boots along a dirt path.…

CUs of marijuana plants swaying in the wind.  Two hands grasp a…

CU of a water pipe on top of foliage.  A pipe amongst forest…

Woman walks near a marijuana plant in a forested area. Close up of…