There are approximately 3 million unintended pregnancies in the United States each year.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
Did you know?
Your heart beats over 36 million times a year.
Monosaccharide structure
The Structure of an Old High-Mass Star
Schematic representation of protein structure.
Hurricane Structure
Hurricane Structure
Structure of the E. coli Tus protein, complexed with double-stranded DNA