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?
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
GDP per Capita in the United States, the United Kingdom, and Japan, 1870–2009
Remote satellite monitoring of gross primary productivity across the United States. The differences