Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Blackbody Curves
Vertebral regions showing the four spinal curves.
The illusory bands visible in this figure are often called Mach bands, although Mach used a ...
Percentage of Americans Living in Communities with a Fluoridated Water Supply, by State. 2012
Two Kinds of Forgetting Curves
This image shows a normal third-trimester fetal brain