Did you know?
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
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.
Morgan's crosses of red-eyed and white-eyed Drosophila
(a) Pronghorn, native grazers of the temperate grasslands of North America.
White crowned sparrow
A Crab-eating Macaque, an old world species of monkey native to Southeast Asia
This Native American depiction of the Sand Creek Massacre, painted on a buffalo hide, shows the Indi
Case of ONJ that occurred spontaneously. Note the white area, which is exposed necrotic bone.