Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The average office desk has 400 times more bacteria on it than a toilet.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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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.
Stromatolite fossil cut away to reveal the internal concentric banding.
Rat's external anatomy
Component of right internal ear
Estimates of the dates of origin and extinction of the three main groups of hominins (green, blue, a
Internal and external forces on the parties
Main components of the human endocrine system and the effects of their secretions