Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Everyone has one nostril that is larger than the other.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
Bluehead wrasse males with yellow females of the species. If the blueheaded male is removed from a t