The fastest heartbeat ever recorded was 600 beats per minute

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There are more than 24 time zones around the world.

If the Earth's time zones were each one hour apart, then we would have 24 times zones, which sounds pretty straightforward. However, the situation is a little more complicated than that. Since many time zones only differ by 30 or 45 minutes, they don't fit into a neat and tidy 24-hour span, which means that there are more than 24, though it's hard to say exactly how many.

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The maternity hospital in San Antonio has its own tradition. Those born in December are discharged wearing Christmas stockings. This tradition has existed for 50 years.

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The concept of contact lenses was conceived in 1823 and was realized in 1887. The original lenses weren't meant for sight correction. Instead they were used to protect diseased eyes.

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In some cultures, ants were used to stitch wounds.

They would hold the skin together, grab an ant with big jaws (like an army or leaf-cutter ant), put its mouth to the wound and wait for it to bite down

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Butterflies feed on dead animals, garbage and blood to survive as they are not able to obtain all the necessary nutrients from nectar alone.

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In 1859 there were only 24 rabbits in Australia.
Six years later, in 1865, their number was two million.

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Sperm can live inside a woman's vagina for up to five days waiting for her to begin ovulatin and released egg lives for less than 24 hours.
The highest pregnancy rates have been reported when the egg and sperm join together within 4 to 6 hours of ovulation.

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Aphantasia a condition where people are unable to form mental images in their head. People with aphantasia are also less likely to have an inner monologue.

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Scientists have invented an injectable oxygen that lets you survive without breathing.

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Hundreds of thousands of fish gathered into a huge ball and created a whirlpool when the diver tried to approach them.
This structure is a defense mechanism designed to scare away predators.

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Oil is cheaper than bottled water in Saudi Arabia.

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Syngenesophobia is the fear of relatives.

Feeling of uncontrollable anxiety when you think or meet relatives. The feeling of you must do everything to avoid relatives.

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The first football match ever shown on television was Arsenal versus Arsenal Reserves

The BBC started its television service in 1936, although it was nearly a year before the very first televised match of football was screened – a specially-arranged friendly match between Arsenal and Arsenal Reserves at Highbury on 16 September 1937.

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With every heartbeat, human testicles can produce 1,500 sperm

During spermatogenesis, your testicles make several million sperm per day — about 1,500 per second. By the end of a full sperm production cycle, you can regenerate up to 8 billion sperm

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