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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.
Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea
The "Emu in the sky," a constellation defined by dark clouds rather than the stars.
Blue whale skeleton, outside the Long Marine Laboratory at the University of California, Santa Cruz
Miller-Urey Experiment Updated
When the United States gets stuck over a controversial issue—usually something a divided Congress ca
Harvey Milk was the first openly gay candidate to be elected to office in California.