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.
Single bull elk are vulnerable to predation by wolves.
Vasectomy. (a) Vas deferens is located within the spermatic cord on both sides. (b) A small incision
A single cylinder is shown at the top and a four-cylinder engine at the bottom.
How to combine two or more polynomial fractions into a single rational expression
Preterm birth rates, by single and multiple births, Canada
The structure of a single developed neuron