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✨ Dinosaur 10
✨ Tester 1
Golf balls have between 300 and 500 dimples, which help reduce drag and increase distance.
A baseball has exactly 108 stitches.
The concept of zero was independently invented by the Mayans, Indians, and Babylonians.
Negative numbers were not accepted by European mathematicians until the 17th century.
The golden ratio, approximately 1.618, appears in art, architecture, and nature.
Benford's Law states that in many naturally occurring datasets, the leading digit is more likely to be 1 than any other digit.
The number 73 is the 21st prime number, its mirror 37 is the 12th prime number, and 21 is the product of 7 and 3.
Infinity is not a number — it is a concept representing something without any limit.
The Birthday Paradox shows that in a group of just 23 people, there is a 50% chance that two people share the same birthday.
The Monty Hall problem demonstrates that switching doors on a game show gives you a two-thirds chance of winning rather than one-third.
There are 10 times more possible iterations of a game of chess than there are atoms in the observable universe.
The largest known prime number has over 24 million digits and was discovered in 2018.
A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.
The sum of all numbers from 1 to 100 is 5,050 — a result famously discovered by Carl Friedrich Gauss as a child.
Euler's identity, e to the power of i times pi plus 1 equals 0, is often called the most beautiful equation in mathematics.
The Fibonacci sequence appears throughout nature in the arrangement of leaves, petals, pinecones, and shells.
If you multiply 1089 by 9, you get 9801 — the reverse of the original number.
The number 40 is the only number whose letters are in alphabetical order when spelled out in English.
Pi has been calculated to over 100 trillion digits, but only 39 digits are needed to calculate the circumference of the observable universe to the width of a hydrogen atom.
A googol is a 1 followed by 100 zeros, and a googolplex is a 1 followed by a googol zeros.
111,111,111 multiplied by 111,111,111 equals 12,345,678,987,654,321.
The world's largest jigsaw puzzle contained 551,232 pieces.
The most push-ups done in one hour is 2,919.
The highest skydive was from 135,890 feet by Alan Eustace in 2014, breaking Felix Baumgartner's earlier record.
The longest concert ever performed lasted 453 hours and was played by a rotating group of musicians in Canada.
The world's largest snowflake ever recorded was 15 inches wide and 8 inches thick, observed in Montana in 1887.
The fastest 100-meter dash record is 9.58 seconds, set by Usain Bolt in 2009.
The world record for the most dominoes toppled in a chain reaction is over 5 million.
The tallest man in recorded history was Robert Wadlow, who stood 8 feet 11.1 inches tall.
The most expensive painting ever sold is Leonardo da Vinci's Salvator Mundi, which went for $450.3 million in 2017.
The longest time anyone has gone without sleep under scientific observation is 11 days and 25 minutes.
The loudest burp ever recorded measured 112.7 decibels, louder than a chainsaw.
The fastest time to solve a Rubik's Cube is 3.13 seconds, set by Max Park in 2023.
The longest fingernails ever grown on a pair of hands measured a combined total of over 28 feet.
The world record for the most T-shirts worn at once is 260, set in 2019.
The longest hiccuping spree on record lasted 68 years — Charles Osborne hiccuped from 1922 to 1990.
In Canada, by law, one out of every five songs on the radio must be sung by a Canadian.
In England, it is technically illegal to handle a salmon under suspicious circumstances, under the Salmon Act of 1986.
In Alabama, it is illegal to wear a fake mustache in church if it causes laughter.
In Denmark, you are legally required to check under your car for sleeping children before starting the engine.
In Scotland, if someone knocks on your door and needs to use your toilet, you are legally required to let them in.
In Germany, it is illegal to run out of fuel on the Autobahn because stopping unnecessarily is considered dangerous.
In Milan, Italy, there is a law requiring citizens to smile at all times, except at funerals or hospitals.
In Samoa, it is illegal to forget your wife's birthday.
In Australia, it is illegal to walk on the right-hand side of a footpath in some states.
In Japan, it is illegal to be overweight — companies must measure the waistlines of employees between the ages of 40 and 74.
In France, it is technically illegal to name a pig Napoleon.
In Singapore, chewing gum has been banned since 1992, except for therapeutic or dental gum with a prescription.
In Venice, Italy, feeding the pigeons in St. Mark's Square is illegal and can result in a fine.
In Thailand, it is illegal to step on money because the king's face is printed on the currency.