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

Emotional Moment: Reports reveal that Prince Harry was brought to tears after learning that his brother, Prince William, received a new title from King Charles, adding tension between the royal siblings.

Prince Harry is reportedly devastated after learning that his brother, Prince William, has been awarded a new military title once held by Harry himself. King Charles appointed William as the Colonel-in-Chief of the Army Air Corps, a role Harry cherished during his time as a working royal. According to royal expert Richard Fitzwilliams, this news has left Harry “in tears” and feeling further isolated from his family.

The military title was something deeply personal to Harry, as it connected to one of the few periods in his life when he felt recognized for his own achievements, independent of his royal status.

Harry had always taken great pride in his military service. He served ten years in the British Army, completing two tours of duty in Afghanistan, and his role as Colonel-in-Chief of the Army Air Corps was a point of honor. Losing that title has been particularly painful for him, as it symbolizes a deeper separation from his previous life and the duties he genuinely loved. Richard Fitzwilliams noted that for Harry, this decision by his father is a “real kick in the teeth,” especially given his strained relationship with both King Charles and Prince William in recent years.

The timing of the announcement has only worsened the situation for Harry. Buckingham Palace made the news public while Harry was in the U.K. for the 10th anniversary of the Invictus Games, an event he founded to honor wounded veterans. During this time, Harry appeared at St. Paul’s Cathedral, wearing his KCVO (Royal Victorian Order) medal, a reminder of his contributions to the monarchy.

Royal author Tom Quinn suggested that Harry’s choice to wear the medal at this event was a symbolic gesture, saying, “This was Harry’s way of reminding his family that his grandmother, Queen Elizabeth II, valued his contributions to the royal family.”

Despite the emotional blow, Harry remains committed to his ties with the military. However, being stripped of this honorary role in favor of his brother has reportedly intensified his feelings of betrayal. Fitzwilliams commented that Harry believes this decision further marginalizes him, reinforcing the distance between him and his family. He is said to be especially hurt that the title was given to his brother, someone he sees as part of the reason behind many of his struggles with the royal family.

Harry’s reaction to William’s new title reflects deeper issues within the royal family. The strained relationship between the brothers has been widely reported, and this latest development is seen as a significant blow to any hopes of reconciliation. The fact that Harry was once proud of his role in the military but is now watching his former position being given to his brother is seen by many as a public demonstration of how far he has been distanced from his royal duties.

As the royal family prepares for the official title handover at the Army Aviation Centre in Middle Wallop in May 2024, it marks a further step in what some see as Harry’s increasing estrangement from his previous life. The appointment of Prince William as Colonel-in-Chief of the Army Air Corps seems to cement Prince Harry’s permanent departure from both his military and royal responsibilities, a reality that, according to sources, has left him deeply saddened and emotional.

Richard Fitzwilliams, a royal expert, emphasized that the conflict between Prince Harry and King Charles III is one of the most publicized family rifts in the world. He suggested that if the situation had been handled privately, away from media speculation, there might have been a greater chance for reconciliation. Unfortunately, the tensions between the Duke of Sussex and his father run deep, as evidenced by the fact that, even when Harry returned to the U.K. in May 2024, they did not meet, which shocked and disappointed the public.

A spokesperson for Prince Harry released a statement confirming that, despite numerous inquiries and rumors, the Duke would not be meeting with the King during his visit due to the King’s busy schedule. The statement explained that Harry understood his father’s commitments and hoped to see him soon. King Charles, recently back to his public duties after a period of treatment for cancer, was occupied with official events, including a meeting with the Prime Minister of Fiji and the season’s first garden party at Buckingham Palace.

This news led to a wave of public backlash, with many criticizing the King for not prioritizing his son. Some social media users condemned the situation, calling it “unforgivable” and expressing disappointment in Charles, while others defended Harry, noting that he had made numerous attempts to reconnect. One commenter remarked that it was clear King Charles chose his position and duties over his family.

Prince Harry’s schedule during his visit was also packed, as he focused on the 10th anniversary of the Invictus Games. He participated in various events, including giving a reading at St. Paul’s Cathedral. Despite being in the same country, the physical and emotional distance between Harry and his father—and his brother, Prince William—remains significant.

In an earlier interview with “Good Morning America,” Prince Harry spoke openly about the strained relationship with his brother. When asked how their late mother, Princess Diana, would feel about their falling out, Harry said she would likely be saddened but would also recognize that healing the relationship would require going through these difficult phases. He added that he feels his mother’s presence more strongly now than ever before, especially during these times of family turmoil.

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