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Redheads are more likely to have anxiety about, and avoid going to, the dentist because the same gene mutation that gives them red hair also makes them 20% more resistant to the effects local anaesthesia.

Jan 30, 2020•1 min read

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beavers have orange teeth because they are made of iron instead of magnesium like other rodents. The iron causes the orange colouring in beavers’ teeth, makes the teeth stronger against mechanical stress, and makes them more resistant to acid.

in the 18th century, rich people usually owned a large wig for formal occasions and a smaller one to wear at home. Wigs were a status symbol and were also the target of thieves due to how costly some of them were. Those who couldn t afford wigs tried to make their real hair look like one.

The UK has a savings account that is also a lottery. Instead of receiving interest, you are in with a chance to win up to £1M every month. You can withdraw all your money at any time. Other countries have tried it but their official lottery got them banned because of their own greed.

Momma bears are so protective of their young they’ll actively seek out human occupied areas because they know male bears, who would want to kill their cubs to increase the chances they mate with them, will avoid human contact.

that one of the most elite army units in ancient Greece consisted exclusively of gay male couples, making them fight harder because they knew that their partner would likely die as well if they lost the battle

that one of the most elite army units in ancient Greece consisted exclusively of gay male couples, making them fight harder because they knew that their partner would likely die as well if they lost the battle

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