25 interesting facts that will expand your knowledge (26 photos)

You can learn something interesting in our information age every day. Users of the Reddit forum recently shared interesting facts that seemed incredible to them - but still, they are true. Perhaps you have already met some of them, and you will learn about some for the first time.





1. Music synchronizes people's heart rates to some extent when listening together. Also, people who listen to the same story, song, or watch a movie together synchronize not only their heartbeats, but also their breathing



2. Your blood type may change if you receive a bone marrow transplant.





There will also be different sets of DNA in the blood compared to other parts of the body, and you can also “inherit” the allergies that your donor has.

3. If a person’s ribs are removed, they can grow back (as long as the perichondrium, the connective tissue membrane, is intact)



4. When you shuffle a deck of cards, the combination in the deck of cards after shuffling will be almost 100% unique. According to McGill, there are more combinations when shuffling a deck than there are atoms on planet Earth.



5. The population of the entire Earth will fit on an area of ​​700 square meters. kilometers, if all people are placed close to each other - that is, all the inhabitants of the planet will occupy approximately a third of the area of ​​​​Moscow. Or the entire Olkhon Island on Lake Baikal



6. Japanese samurai could send a fax to Abraham Lincoln. The fax machine was invented in the 1840s, and the first commercial fax service was launched in 1865. Samurai existed until the late 1870s, and Abraham Lincoln died in April 1865



7. Lighters were invented three years before matches.



8. Canned foods were invented about 100 years before can openers were invented.



9. The time period between using copper swords and then steel swords is longer than the time between using steel swords and launching a nuclear bomb



10. Madagascar is home to butterflies that feed on the tears of sleeping birds



11. John Tyler, tenth President of the United States (1841–1845), has a living grandson



12. Dung beetles navigate the Milky Way when moving - for example, delivering rolled dung balls to their burrows



13. Drinking large amounts of 100% pure water can kill you. It can flush vital minerals from the body



14. A female kangaroo has 3 vaginas and 2 uteruses. The third vagina is formed only during pregnancy



15. Cows are the deadliest animals in the UK. This fact has been recognized by the local Health and Safety Authority



16. Each octopus tentacle has a separate “brain”. The tentacle has about 40 million receptors, and they can think and act independently of the central brain



17. Puppies from the same litter can have different fathers.



18. Sometimes this can happen to people too. Fraternal twins can be born from different fathers



19. Alfred Nobel is known both as the inventor of dynamite and as the founder of the famous Nobel Prize



20. Coffee is not actually a bean, but a fruit, or coffee cherry, that grows on a coffee tree.



21. Also, bananas are berries. But strawberries, raspberries and blackberries - just not



22. Australia is wider than the Moon. The diameter of the Moon is more than 3400 km, and the width of Australia is about 4 thousand km



23. Alaska is the northernmost, westernmost and easternmost state of the USA



24. Most people have an above average number of hands.



Due to the number of amputations and people born with missing limbs, it is believed that if you have four, you are above average.

25. Polar bears live only in the Northern Hemisphere, and penguins live only in the Southern Hemisphere. This means that in nature they may have never met each other