Did you know?
The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
Did you know?
GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.
Unique markings identify individual humpback whales.
Natural defenses against stomach acid
Lilly Martin Spencer’s Young Husband: First Marketing (1854). Note that passers-by are amused at thi
Umberto Boccioni, Unique Forms of Continuity in Space.
A patient is talking to the nurse about her husband’s abuse and attempt to strangle her. She ...
Interspecific Plant Defenses