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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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

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