Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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.
The Sun in false-color ultraviolet image
Map of the Moon by Johannes Hevelius from his Selenographia (1647), the first map to include the lib
Luna, the Moon, from a 1550 edition of Guido Bonatti's Liber astronomiae.
False Solomons Seal
A mere one-half percent of Americans owns over a quarter of the entire nation’s wealth. Very few ...
Phases of the Moon