The human body produces and destroys 15 million blood cells every second.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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The average adult has about 21 square feet of skin.
The Types of Stars and Their Sizes
The Atmosphere Screens Earth from Harmful Solar Radiation
Types of Folds
Types of Levers
First-order sensory neuron with free nerve endings