Did you know?
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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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.
Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
Hominin Evolution in the Mid to Late Pleistocene
Four approaches to studying the evolution of human behavior.
When a Tornado Strikes: Social Organization Following a Natural Disaster
Proposed evolution of oxygenic photosynthesis
Evolution of internal membranes