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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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Everyone has one nostril that is larger than the other.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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