10 Curiosities You Probably Didn’t Learn in Biology Class

The world is a big, wonderful place full of facts we never thought possible. For instance, if a pregnant mouse has a sudden medical issue, the fetus will send stem cells to heal the mother, increasing its chances of survival as well. Fetal stem cells have been found in human mothers as well, dubbed by science as microchimerism.

Bright Side dug up some more marvelous facts about nature and its creations, upholding our yearly resolutions to spread knowledge and joy.

1. The heart slows when your face touches water.

As mammals, we can’t breathe underwater, so as part of the mammalian dive reflex, our heart rate goes down in the water — more so if we go underwater. Even splashing the face with water makes the heart slow down, making it a great way to calm down.

2. Fungus can break down plastic in weeks.

It is said that in the future, there may be more plastic in the ocean than fish. This is why the plastic-eating fungus is great news, and there are around 50 new species of such fungi discovered already. One of the fungi discovered can digest plastic within 2 months, so there’s hope for us yet.

3. Newborn babies can support their own weight.

Newborn babies are strong — strong enough to be able to grasp things in their tiny fists and even support their weight as shown by an experiment done in the nineteenth centuryLouis Robinson witnessed babies able to hang from a walking stick, from 10 seconds to 2 minutes and 35 seconds.

4. Koala fingerprints have been mistaken for human ones.

We’ve been told that our fingerprints are unique, and they are. But the fact remains that even though we share a common ancestor with the koala that was alive 100 million years ago, koala fingerprints look very similar to human fingerprints, as do chimpanzee fingerprints for that matter.

5. Snails can sleep for 3 years.

If you thought bears had it good with hibernation, meet the snail. Snails can sleep rather than hibernate for 3 years at a time without needing food. Of course, this is with some snail species, not all of them. Meanwhile, bears usually hibernate for just 4-8 months.

6. Sloths need 2 weeks to digest food.

Sloths don’t only move in slow motion — even their insides move slowly, ostensibly to preserve energy, which is why a sloth’s digestive system takes 2 weeks to process the food it ate. Plus, most of what it eats is indigestible, giving it very little energy from each slowly chewed mouthful.

On the other end of the spectrum lies the shrew, whose digestion takes mere minutes and is done so fast, not much of it is fully digested. This is the reason why shrews eat their own feces. They can die of starvation in a matter of hours if they don’t eat.

7. Your brain ignores seeing your nose.

We can see our nose all the time, it’s just that the brain tends to ignore it because it’s a constant visual stimulus. It’s the same with people who wear glasses. After a while, they simply stop noticing them.

8. Your forearm is the same length as your foot.

If you don’t have the time to try on a shoe, measure it from your elbow crease to your wrist. If it fits or is just a little smaller, it would fit your foot because the length of your forearm is the same as your foot. And this is just one of many human body ratios that are a marvel in themselves, including the fact that your femur bone is one-quarter your height.

9. You can “see” your white blood cells.

If you look up at a cloudless, bright blue sky and see some wiggly things at the periphery of your vision, you’ve just experienced the blue field entoptic phenomenon. The wiggly things are white blood cells moving in the fine blood vessels moving in front of the retina, at the back of the eye.

10. Human beings have striped skin, but only cats can see it.

Human beings have stripes and patterns on the skin too, and they are called Lines of Blaschko, name eponymously by the scientist who discovered them, Dr. Alfred Blaschko. These are closer to tiger stripes, forming more of a V-pattern fanning out from the center to the extremities. These lines are visible under UV light, a spectrum that cats can see too, which is why cats can see you as a striped being as well.

Which of these facts turned out to be a revelation for you? Share your extreme nature facts with us and blow us away.

Preview photo credit Shutterstock.comShutterstock.com

The Real Reason Japan’s Empress Wore a Mask With Queen Camilla Revealed

Empress Masako of Japan wore a surprising accessory during her visit to the U.K. with Emperor Naruhito. When they were welcomed, she put on a face mask that matched her white outfit for the ride to Buckingham Palace. But there was more to it than just fashion.

Masako, 60, was all smiles without her face mask when the day officially began.

On June 25, during a horse-drawn carriage ride after the ceremonial welcome, Empress Masako wore the mask. Once they went inside Buckingham Palace for lunch and to look at some items from the Royal Collection, she took it off.

The reason for the mask? Empress Masako is allergic to horsesaccording to royal reporter Rebecca English from the Daily Mail.

Prince Louis, age 6, also had a funny moment with horses. During a carriage ride at Trooping the Colour in June 2023, he briefly held his nose, probably because of the horses’ smell.

Prince William greeted her and Emperor Naruhito at their hotel in London.

The Prince of Wales, 41, took on this key role alone, highlighting his position as heir to the throne, a duty his wife, Kate Middleton, has joined him for in the past.

Catherine, Princess of Wales, 42, continues to stay out of the spotlight while receiving cancer treatment. Although she appeared in public for the first time in nearly six months at Trooping the Colour on June 15, it didn’t mean she was back to work.

“She has been doing what’s right for her and recovering privately at home. She is dealing with it the best she can,” a source close to the royal family tells.

Prince William then accompanied the Emperor and Empress of Japan to Horse Guards Parade, where they greeted King Charles, 75, and Queen Camilla, 76, at the ceremonial welcome.

Presentations were made, accompanied by a Royal Salute and the playing of the Japanese national anthem.

King Charles and Emperor Naruhito, aged 64, inspected a Guard of Honour formed by the 1st Battalion Welsh Guards, where Prince William holds the honorary colonel position. Following this, they embarked on a carriage ride along The Mall in London, adorned with both Japanese and Union Jack flags, making their way to Buckingham Palace.

State visits are pivotal diplomatic duties for the British royal family, crucial for strengthening relationships with nations worldwide. The upcoming visit from Japan was announced in late April, marking King Charles’ return to public duties amidst his ongoing cancer treatment.

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