Did you know?
Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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.
History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
Internal structures at the back of the eye.
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
The apples of today are larger and sweeter than their ancestors, thanks to hundreds of years
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
Siri plans to retire in 18 years and would like to receive $10 000.00 per month for twenty ...