25 Mind-Blowing Fun Facts About Science

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Science is the systematic study of the natural and physical world through observation and experimentation. Science helps us understand how things work, why they happen, and what they mean. Science is also full of amazing and surprising facts that can blow your mind. Here are 25 of them:

  1. A teaspoon of a neutron star would weigh about 10 million tons.
  2. The Sun is so large that it could fit 1.3 million Earths inside it.
  3. The human brain uses about 20% of the body’s oxygen and calories, even though it only makes up about 2% of the body’s weight.
  4. There are more stars in the observable universe than grains of sand on all the beaches on Earth.
  5. The longest recorded lightning bolt stretched for almost 200 miles across Oklahoma in 2007.
  6. The hottest temperature ever recorded on Earth was 56.7°C (134°F) in Death Valley, California in 1913. The coldest temperature ever recorded was -89.2°C (-128.6°F) in Vostok, Antarctica in 1983.
  7. The human body contains enough carbon to make 900 pencils, enough iron to make a 3-inch nail, and enough phosphorus to make 2,200 match heads.
  8. The longest living animal is the immortal jellyfish, which can revert back to its immature stage and start its life cycle over again.
  9. The fastest animal on land is the cheetah, which can run up to 75 mph. The fastest animal in the air is the peregrine falcon, which can dive up to 242 mph. The fastest animal in the water is the sailfish, which can swim up to 68 mph.
  10. The largest living organism on Earth is a fungus called Armillaria ostoyae, which covers an area of 2,385 acres in Oregon.
  11. The loudest animal on Earth is the sperm whale, which can produce sounds up to 230 decibels, louder than a jet engine.
  12. The smallest bone in the human body is the stapes, which is located in the middle ear and measures about 0.03 inches long.
  13. The most abundant element in the universe is hydrogen, which makes up about 75% of all matter. The most abundant element on Earth is oxygen, which makes up about 46% of the Earth’s crust.
  14. The most venomous animal on Earth is the box jellyfish, which can kill a human in minutes with its powerful neurotoxins.
  15. The oldest known fossils are stromatolites, which are layered structures formed by cyanobacteria, dating back to 3.5 billion years ago.
  16. The longest word in the English language is pneumonoultramicroscopicsilicovolcanoconiosis, which is a lung disease caused by inhaling volcanic dust.
  17. The highest point on Earth is Mount Everest, which is 8,848 meters (29,029 feet) above sea level. The lowest point on Earth is the Mariana Trench, which is 10,994 meters (36,070 feet) below sea level.
  18. The longest river on Earth is the Nile, which is 6,650 kilometers (4,132 miles) long. The largest lake on Earth is the Caspian Sea, which is 371,000 square kilometers (143,000 square miles) in area.
  19. The heaviest animal on land is the African elephant, which can weigh up to 6 tons. The heaviest animal in the water is the blue whale, which can weigh up to 200 tons.
  20. The most expensive substance on Earth is antimatter, which costs about $62.5 trillion per gram to produce.
  21. The most powerful explosive on Earth is the Tsar Bomba, which was a hydrogen bomb tested by the Soviet Union in 1961. It had a yield of 50 megatons, equivalent to 3,800 Hiroshima bombs.
  22. The most distant object ever observed by humans is a galaxy called GN-z11, which is 13.4 billion light-years away from Earth.
  23. The most electrically conductive material on Earth is graphene, which is a one-atom-thick layer of carbon atoms arranged in a hexagonal lattice.
  24. The most magnetic material on Earth is neodymium, which is a rare-earth metal used to make powerful magnets.
  25.  The most radioactive place on Earth is Chernobyl, which was the site of a nuclear disaster in 1986. The radiation level there is still 10,000 times higher than normal.


Science is full of fascinating and mind-blowing facts that can make you wonder and appreciate the world around you. Whether it’s about the cosmos, the Earth, the life, or the matter, science can reveal amazing and surprising things that you may not have known before. We hope you enjoyed this list of 25 fun facts about science and learned something new.


What is the difference between a fact and a theory in science?

A fact is an observation that has been repeatedly confirmed and accepted as true.

A theory is a well-substantiated explanation of some aspect of the natural world that can incorporate facts, laws, hypotheses, and tested assumptions.

What are some of the most important scientific discoveries in history?

Some of the most important scientific discoveries in history include the heliocentric model of the solar system, the theory of evolution, the theory of relativity, the structure of DNA, the germ theory of disease, the periodic table of elements, and the discovery of penicillin.

What are some of the most interesting scientific questions that are still unanswered?

Some of the most interesting scientific questions that are still unanswered include the origin of life, the nature of dark matter and dark energy, the existence of extraterrestrial life, the origin of consciousness, the fate of the universe, and the possibility of time travel.

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