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11,491 facts. Click any fact to see its full page.
All 11,491
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🔬 Science 1,066
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🌍 Geography 650
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India's Lonar Lake in Maharashtra was created by a meteor strike about 50,000 years ago and is both saline and alkaline.
The Bandra-Worli Sea Link bridge in Mumbai has steel wires equal to the circumference of the Earth.
India has more mobile phones than toilets, with over 1.1 billion mobile subscriptions.
The Indian space program sent a mission to Mars, Mangalyaan, on its first attempt and for less money than it cost to make the movie Gravity.
India has the largest vegetarian population in the world, with an estimated 300 to 400 million vegetarians.
The game of chess originated in India around the 6th century under the name chaturanga.
India is home to the wettest place on Earth — Mawsynram in Meghalaya receives an average of 467 inches of rain per year.
The Indian city of Varanasi is one of the oldest continuously inhabited cities in the world, with a history spanning over 5,000 years.
India has the world's largest film industry by number of films produced per year, with Bollywood releasing over 1,500 films annually.
The Taj Mahal in India changes color depending on the time of day — pinkish in the morning, white during the day, and golden at night.
India invented the number system, including the concept of zero, which was later adopted worldwide.
The Kumbh Mela festival in India is the largest peaceful gathering of humans on Earth, with over 100 million attendees.
India has the largest postal system in the world, with over 155,000 post offices.
In Japan, there are traffic lights with blue instead of green because the Japanese language historically used the same word for both colors.
Japan has the most Michelin-starred restaurants of any country in the world, surpassing even France.
The Japanese art of kintsugi repairs broken pottery with gold, celebrating imperfection rather than hiding it.
Japan consumes about 80% of the world's total bluefin tuna catch.
In Japan, there is a hotel staffed almost entirely by robots, including a dinosaur robot at the front desk.
Japan has a forest called Aokigahara at the base of Mount Fuji that is so dense that GPS devices do not work inside it.
Japanese trains play unique departure melodies at each station instead of simple beeps or buzzers.
In Japan, there is an island called Okunoshima that is overrun with hundreds of friendly wild rabbits.
Japan has the world's oldest company, Kongo Gumi, which was founded in 578 AD and operated for over 1,400 years.
In Japan, Kit Kats come in over 200 flavors, including wasabi, green tea, sake, and sweet potato.
Japan has a Cat Island called Aoshima where cats outnumber humans roughly six to one.
In Japan, sleeping on the job is sometimes seen as a sign of dedication because it implies you worked yourself to exhaustion.
Japan's Shinkansen bullet trains are so punctual that delays of even one minute trigger a formal apology.
In Japan, there are more pets than children under the age of 15.
Japan has more than 5.5 million vending machines, selling everything from hot soup to fresh eggs.
Teflon was discovered by accident in 1938 and was first used in the Manhattan Project before becoming a household non-stick coating.
The first commercially successful ballpoint pen was introduced in 1945 and sold for $12.50, equivalent to about $200 today.
LSD was discovered accidentally by Swiss chemist Albert Hofmann in 1943 when he absorbed some through his skin.
The windshield wiper was invented by Mary Anderson in 1903 after observing streetcar drivers struggling to see through rain and sleet.
Fireworks were invented in China over 2,000 years ago when bamboo sticks were thrown into fires and exploded.
The stethoscope was invented in 1816 because a French doctor felt it was inappropriate to press his ear directly against a female patient's chest.
Cornflakes were invented by accident when the Kellogg brothers left cooked wheat sitting out and it went stale and flaky.
The lie detector was co-invented by William Moulton Marston, who also created the comic book character Wonder Woman.
The first artificial Christmas tree was made in Germany in the 19th century using dyed goose feathers.
Penicillin, arguably the most important medical discovery in history, was found by accident when Alexander Fleming left a petri dish uncovered.
The first patented inflatable tire was invented by a veterinarian named John Boyd Dunlop for his son's tricycle.
Super Glue was discovered by accident twice — first in 1942 and again in 1951 — before its adhesive properties were recognized.
The tea bag was invented by accident when Thomas Sullivan sent tea samples in small silk bags and customers brewed tea with them still in the bags.
The first photograph of a person was taken accidentally in 1838 when a man stopped to get his shoes shined during a long exposure shot of a Paris street.
The safety pin was invented in just three hours by Walter Hunt in 1849 to pay off a $15 debt.
The zipper was invented in 1893 but did not become widely used until the 1930s.
X-rays were discovered accidentally by Wilhelm Rontgen in 1895 while experimenting with cathode rays.
The first synthetic plastic, Bakelite, was invented in 1907 and was used in everything from telephones to jewelry.
Bubble wrap was originally invented as textured wallpaper in 1957 before finding its true calling as a packaging material.
The Post-it Note was created by accident when a 3M scientist made an adhesive that was weaker than intended.
The slinky was invented by accident when a naval engineer knocked a tension spring off a shelf and watched it walk down.
Play-Doh was originally invented as a wallpaper cleaner before being repurposed as a children's toy.