Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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.
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
Male coho salmon exhibit two alternative life history strategies. “Jackâ€ÂÂ
Biotic interactions within and among three Aspen Parkland community types, drawn by Bird
Common Health Problems in Community-Dwelling Older Adults
This pre-Anasazi community in Mesa Verde, Colorado, was carved into a cliff, making it nearly impreg
A boy walks past a member of the unofficial “community police” in Cruz Grande, Guerrero, Mexico.
Shoulder and Pectoral Muscles Stretch by Reaching Behind.