If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
Kranz and Lörz first achieved in vitro plant fertilization
A small sample of the great diversity of seed sizes and shapes.