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Author Question: You go for a hike across an outcropping of sandstone and you see large footprints in the sandstone. ... (Read 34 times) |
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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.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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The longest a person has survived after a heart transplant is 24 years.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
The American Lion was one of the abundant Pleistocene megafauna, a wide variety of very large mammal
Meningocele. (a) A meningocele is a herniation of the meninges, usually associated with the spinal c