The number of wild animals on Earth has declined by 69% between 1970 and 2018.

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A spiderweb matching the length of the equator would weigh just 340 grams.

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On Uranus, there are only two seasons: summer and winter. Each lasts 42 Earth years.

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Sunlight triggers the production of the happiness hormone.

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The strongest substances in the entire human body are your teeth.

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Most antibiotics are produced by bacteria.

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Men who are single have an 85% higher risk of developing cancer.

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In Russia, there are nearly 11 million more women than men.

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When bumblebees are cold, they hover in place and rapidly flap their wings to warm up.

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Only around 1800 pandas remain in the wild.

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In Aztec culture, avocados were believed to be so sexually potent that virgins were forbidden from touching them.

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