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.
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.
The work of Charles Darwin forms the foundation for modern evolutionary theory.
When maths, architecture, and illusions collide!
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670
Multigroove adjustable pliers are known by many names, including the trade name Channel Locks®.
Summer squash exhibiting various fruit-shape phenotypes, including disc, long, and sphere