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![The brain of a newborn baby will double in size by their first birthday]()
The brain of a newborn baby is about a quarter of the size of an average adult brain. It will be nearly fully grown by age five.![There are more organisms in a tablespoon of soil than there are people on Earth]()
A tablespoon of soil carries 50 billion microbes.![Temperature around the nose jumps during a lie due to increased anxiety and blood flow]()
The phenomenon is referred to as the "Pinocchio effect."![Before becoming a vital packaging material, bubble wrap used to be marketed as textured wallpaper and then as insulation material]()
The creators kept failing at marketing bubble wrap until its usefulness in protecting goods was discovered.![Residents in Switzerland are prohibited from owning one guinea pig as the animals are considered very social creatures and need companionship to thrive.]()
Switzerland’s Animal Protection Ordinance states that guinea pigs "must be kept in groups of at least two animals."![The typical cumulus cloud spotted on clear, sunny days weighs about 1.1 million pounds]()
Cumulus clouds measuring one kilometer by one kilometer weigh the equivalent of about 131,894 gallons of water, according to the Library of Congress.![Platypuses don’t have nipples. They feed their young by sweating milk! The nursing babies then drink it off the mother’s fur.]()
According to the American Museum of Natural History, platypuses are unlike all other mammals when it comes to producing milk for their young.![Alpine bumblebees are able to fly up to 29,527 feet, higher than the tallest mountain in the world]()
Bumblebees, which have a large body size and relatively small wings, were previously expected to struggle flying at high altitudes. However, alpine bumblebees surprisingly proved that they can hover at extreme barometric pressures, according to two researchers from the University of California and the Smithsonian Tropical Research Institute.![As the largest animals to have ever existed, blue whales can weigh as much as 200 tons. Their tongues alone can weigh as much as an elephant!]()
The whale's massive tongue helps the animal to eat massive amounts of krill, about 40 million krill a day.![A large majority of all orange cats are male! This is because the cat’s color gene is linked to sex. Female cats need two X chromosomes with the orange code while males only need one.]()
Receiving two X chromosomes with the orange gene is not common, especially when other colors, such as black, are much more prevalent among cats.![All insects, such as ants, breathe through tiny holes found all over their bodies]()
This is why insects can never get very big. Their respiratory system would not allow oxygen to travel to the inner parts of a larger animal fast enough.![The human body has 206 bones. A quarter of those bones, exactly 52, are located in your feet!]()
Each foot also has over 100 muscles, ligaments, and tendons.![There’s enough gold inside the Earth to cover the entire planet in a knee-high layer. It’s just over a thousand miles below the surface.]()
According to the WorldAtlas, the precious metal is located 1,800 miles below the surface of the Earth and at many thousands of degrees.![CHILDREN'S FEET OFTEN SMELL BECAUSE THEY SWEAT TWICE AS MUCH AS ADULT FEET]()
While adult feet can produce a cup of sweat each day, children's feet can sweat twice as much.![Vermont is the only U.S. state that doesn’t have a capital with a McDonald’s]()
Montpelier, Vermont, has the smallest population of any state capital at 8,000 residents. While it is the only state capital without a McDonald's, there is one right outside its city limits.![In the mid 1800s, most citizens worked as farmers. Early November was considered a good time to vote because it was after the busy harvest season while the weather was still relatively mild.]()
Election days were set for the Tuesday after the first Monday in November for several reasons. Sundays were meant for worship, and Wednesdays were often market days. To accommodate for long travel, Tuesdays became the best day of the week to vote. Election days also could not be the first Tuesday of the month in order to prevent voting on Nov. 1, a day some Christians observed as All Saints' Day.![Martin Luther King Jr., who called for the end of segregation in the U.S. with his]()
Despite the grade, MLK Jr. graduated valedictorian of his class in 1951 and became one of the most highly respected speakers in U.S. history.![While identical twins are essentially clones of each other, they actually have different fingerprints]()
Environmental factors during development, such as positioning in the womb and rate of growth, cause slight differentiation of each fingerprint.![The human body is 56% bacteria. However, because the bacterial cells are extremely light, we are still 99.7 percent human by weight]()
In 2016, researchers at Israel’s Weizmann Institute of Science revealed that previous estimates suggesting the human body was 90% bacteria were wrong. Instead, the average adult has about 40 trillion bacterial cells and 30 trillion human ones.![Two mirrors facing each other can’t produce infinite reflections. Because mirrors absorb a fraction of light, each reflection will become darker than the previous, eventually fading into invisibility.]()
Mirrors facing each other can produce just a few hundred reflections.![All stars visible to the naked eye are within 4,000 light-years away]()
Astronomers estimate that the death rate for visible stars is 10,000 years, making it likely that the stars we see now still exist.![Nails grow slightly faster in hot temperatures, possibly due to increased blood supply to the fingertips.]()
Relaxing during the summer holidays could also contribute to less wear and tear to the nails.![Robert Wadlow, who lived from 1918 to 1940, broke the record as the world’s tallest person at 8 feet and 11 inches.]()
The "Giant of Illinois" grew to almost nine feet tall because his pituitary gland released too much human growth hormone.![It is impossible for pigs to look up. Just to look at the top of a tree, a pig has to take a few steps back in order to see it.]()
The anatomy of a pig’s neck muscles and spine restricts them from looking upward.![Canada has about 60% of the world’s lakes at 879,800]()
Of the world’s 1.42 million lakes with a size over 0.1 sq. km, Canada is home to 62% of them.![The Bee Hummingbird of Cuba, the world’s smallest bird, weighs less than a penny.]()
While a penny weighs 2.5 grams, a Bee Hummingbird weighs 1.5 grams.![The space on the head of a pin, which is typically around 1-2 millimeters in diameter, can accommodate approximately 10,000 human cells]()
A typical human cell is around 10 to 15 micrometers in diameter.![Nothing can be heard in space including explosions, crashing asteroids or supernovas]()
Because space is nearly a perfect vacuum, there is not enough air molecules for sound waves to travel. The only exceptions are sounds within a spacesuit or spaceship.![While the human population weighs 350 million tons, there are about 445 million tons of termites on Earth]()
An established termite queen can lay up to 40,000 eggs every day to ensure a fast-growing colony.![If you could travel at the speed of light, you could reach Pluto in four hours and the Sun in eight minutes]()
While a quick trip to Pluto would be a technological milestone, the fastest man-made object ever, NASA’s Parker Solar Probe, can only travel about 400,000 miles per hour, or 0.06% the speed of light. At that speed, it would take three-quarters of a year to reach Pluto.![The wood frog can freeze solid during the winter and come back to life once they thaw]()
Glucose in the wood frog’s blood prevents the animal’s cells from being damaged when frozen.![Historians said the first ever Thanksgiving celebration likely didn’t start with turkeys]()
While there were plenty of turkeys at that time, historians say there are no records that suggest they were eaten. Instead, fowl such as ducks or geese were likely served instead.![In 1953, an employee overestimated the amount of turkeys a food production company had to order to keep up with holiday demand. Instead of bearing the loss of 260 tons of frozen birds, a salesman birthed the idea of TV dinners]()
By the end of next year, the company C.A. Swanson & Sons was able to sell 10 million turkey dinners.![Got a tooth ache? Unfortunately, teeth are the one and only part within the human body that can’t repair itself]()
Teeth cannot repair themselves since they are coated in enamel, which is not a living tissue.![Olympians were once able to compete in art including music, painting, sculpture, architecture and literature between 1912 and 1948]()
Art competitions were abandoned in 1952, because the International Olympic Committee required all competitors to be amateurs but found most of the artists to be professionals.![A chef’s hat traditionally has 100 folds to represent the different ways a chef knows how to cook eggs.]()
Today, many chef's hats still contain pleats as an ode to tradition rather than to signify skill.![Russi Taylor and Wayne Allwine, the voice actors for Disney’s Mickey and Minnie Mouse from late 20th century to early 21st century, actually got married in 1991.]()
Allwine, who voiced Mickey Mouse from 1977 until his death in 2009, and Taylor, who voiced Minnie Mouse from 1986 to her death in 2019, kept their romance private but often praised each other publicly.![A blue whale heart weighs about 400 pounds, big enough that its heartbeat can be heard 2 miles away]()
During dives, a blue whale's heartbeat slows down to four to eight beats per minute.![While]()
It’s no coincidence that the characters "J" and "I" sit next to each other in the alphabet. The letter "J," which originated as a fancy way of writing "I," eventually evolved to become its own letter in 1524.![Because the Moon is still losing heat from its inner core, which stresses the celestial body’s outer layer, and is constantly affected by Earth’s gravitational pull, quakes occasionally occur.]()
Moonquakes are not like earthquakes. Lunar seismic activity can last up to hours, while terrestrial tremors usually last for seconds. However, moonquakes have so far been measured at smaller magnitudes.![Beef fat or bees wax used to be the main ingredients for candles, allowing people to eat them when food became scarce]()
Instead of tallow, candles are now commonly made of paraffin wax, which derives from petroleum, coal or oil shale.![Among the entire human population, only 10% are left-handed. However, the US, Netherlands, and Canada have the highest rates of left-handed people at about 13%. Asian countries have some of the lowest rates with China, Japan, and India at 5% or less]()
Negative attitudes toward left-handedness in China led people to force a right-handed dominance. Teachers may even change a child's writing hand to the right.![The global human population is currently over 8 billion people. That means each person shares their birthday with another 20 million people or so]()
The most common birthdays in the U.S. are in September. Some say that babies born in this month were conceived around the holidays when couples had more free time and felt more festive.![While the U.S. has 11 public holidays, Nepal has three times as many at 39]()
Nepalese workers receive extra time off to properly observe their national holidays, easing their regular six-day work week.![Cows can’t walk down stairs without assistance even though they can walk up. This is because their knee structure and weight distribution are not designed to descend the steep decline of a staircase]()
Because a cow’s neck is far less mobile than a human’s, they also have difficulty seeing when descending downward.![The name Mohammed, including its different variations of spelling, ranked globally as the most popular first name last year at 133 million people. Maria was the next most common name at 61 million people]()
Mohammed can also be spelled as Muhammad, Mohamed and Mohammad.![Instead of turkeys, baked ham or tamales, Japan’s staple Christmas food is Kentucky Fried Chicken]()
After allegedly overhearing an expat say they missed eating turkey on the holiday, the enterprising manager at Japan’s first KFC was able to capitalize on the country’s lack of traditional Christmas meal customs. Hence, chicken became the next best thing.![Earth’s land masses move just a few centimeters per year, the same rate as your nails grow]()
Individual tectonic plates move at different speeds. Coastal California, for example, moves faster than the continental U.S. at 5 centimeters, or 2 inches, annually. The relatively fast movement explains why the region experiences so many earthquakes.![The 15th President of the United States James Buchanan was the only chief of state to have never married]()
Buchanan’s niece, Harriet Lane, took on the role of first lady, or the White House "hostess."![Female fig wasps die inside figs after laying eggs and pollinating the flowers. Wasp larvae will then remain inside until fully developed]()
Figs produce a chemical called "ficin" that breaks down the bodies of dead wasps, meaning you won't always find insect carcasses inside.![US consumers spend about $902 every Christmas, which is roughly the same as the country’s median pre-tax weekly salary of $1165]()
According to the National Retail Federation, 71% of that budget is spent on gifts while the rest is spent on other seasonal items such as decorations and travel expenses.![Human brains are made of 60% fat, making it the fattiest organ of the body]()
Fatty acids are crucial for the brain to function. The remaining 40% of the brain consists of water, protein, carbohydrates and salt.![Only 10% of the human population live in the Southern Hemisphere]()
The majority of Earth’s land (68%) is located in the North. The hemisphere also has much more favorable climates and urban development for human civilization compared to the South.![While the color of a mirror depends on what you see in the reflection, mirrors actually absorb green light the poorest, making reflections appear greener than they are]()
A perfect mirror, which would reflect all wavelengths of visible light equally, would actually appear white. However, no mirror is made perfect in reality. This is why the reflections of two mirrors facing each other become greener and greener.![About a tenth of those who make New Year’s resolutions actually succeed in keeping them]()
About half of Americans, if not more, quit their resolutions by the second month, according to research.![In 1836, the Great Patent Office Fire burned the patent for the first cast iron fire hydrant]()
The ironic twist of fate left manufacturers in a frenzy to claim the title of "first."![A human nose is 200,000 times more sensitive to geosmin (the compound responsible for the smell of Earth after rain) than a shark is to blood!]()
While sharks are designed to smell blood to find food, humans are designed to smell rain to find water.![Due to their unique hind leg anatomy and heavy tails, kangaroos can’t walk nor hop in reverse]()
This marsupial's large tails prevent it from moving backwards. Instead, a kangaroo's anatomy is optimized only to help propel them forward.![The most frequently used letters on a QWERTY keyboard was purposely placed far apart from each other to prevent jamming in early typewriters]()
If commonly used letters were placed next to each other on old typewriters, typing too quickly could have caused type bars to collide.![All iPhones pictured in an Apple ad have the time set to 9:41 to represent the moment when then-Apple CEO Steve Jobs first revealed the product on Jan 9, 2007.]()
One exception was a video advertisement that introduced iPhones with crash detection. The displayed iPhone had the time set to 7:48, possibly to prevent the time 9:41 from being associated with car crashes.![It takes 5 minutes for alcohol to reach a person’s brain and can start affecting the person within 10 minutes]()
Alcohol also stays in urine for more than three days and in hair follicles for up to three months, according to Northwestern Medicine.![Scallops have the most eyes than any other organism in the world, having about 200 eyes along the edge of their shell]()
Their eyes are typically small, blue and iridescent.![Nearly all of the world’s money in circulation is digital. Only 8 percent exists as physical cash.]()
Digital currency ranges anywhere from credit cards, debit cards, online shopping to cryptocurrency,![Intentionally registered on Valentine’s Day, YouTube was originally meant to become a video-based dating website where people could upload clips of themselves talking about their ideal partner]()
The world's largest video sharing platform eventually allowed people to upload any kind of clips, as no one was uploading dating videos.![Half a century ago, NASA astronaut Stuart Roosa carried hundreds of tree seeds into lunar orbit as part of an education initiative. The seeds were later germinated back on Earth and became known as]()
Some "Moon Trees" were given to several U.S. states, Brazil, France, Switzerland and even the Emperor of Japan.![Instead of removing native kidneys, which could cause more complications and scarring, the non-functioning organs can remain in the body and shrink over time.]()
Instead of removing native kidneys, which could cause more complications and scarring, the non-functioning organs can remain in the body and shrink over time.![While Komodo dragons primarily reproduce by mating, females can resort to asexual reproduction when no males are around. They also almost always produce male offspring, an ability females have in order to establish a population in an isolated environment]()
A female Komodo dragon's ability to reproduce asexually also has its drawbacks, such as resulting in a lack of genetic diversity and inbreeding.![In 1963, Lyndon B. Johnson became the first and only president to be sworn in by a woman, U.S. District Court Judge Sarah T. Hughes]()
Johnson was sworn in by U.S. District Court Judge Sarah T. Hughes while on Air Force One, just hours after President John F. Kennedy was assassinated in Texas.![Snowflakes typically fall at 1.5 mph, meaning it takes about an hour for them to reach the ground]()
In contrast, a raindrop falls at an average speed of 20 mph.![The world’s first SMS message ever was sent in December 1992 from a computer to a cordless telephone. The text read]()
The message was sold as an NFT in 2021 for more than $100,000.![Shoveling snow significantly increases the risk of a heart attack. The strenuous activity combined with cold temperatures can lead to an increased heart rate and restricted blood vessels.]()
While the motion of shoveling and throwing snow over your shoulder can rapidly increase your heart rate, cold temperatures can further constrict blood vessels and spike your blood pressure.![Although it’s counterintuitive, hot water freezes faster than cold water. While hot water is cooling, it’s still evaporating and losing mass. With less mass, there’s less heat to lose. So, hot water eventually freezes faster than cold water]()
Essentially, hot water freezes first only because there's less of the liquid to freeze.![In the year 1170 BC, the first-ever documented labor strike in the world took place in ancient Egypt]()
Laborers, tasked with building burial chambers, waited for 18 days beyond their payday before starting a sit-down strike. They also complained of hunger and insufficient wheat rations.![While hippos can sleep underwater, they can’t swim. They’re too dense to even float.]()
Hippos have a built-in reflex that allows them to take a breath at the surface without waking up.![With the exception of a small blind spot directly behind them, cows can see nearly 360 degrees around them]()
A cow’s panoramic vision allows them to see 300 degrees around them.![About 2 billion people celebrate the Lunar New Year, about a fifth of the world’s population!]()
Many countries celebrate the Lunar New Year, including China, Vietnam, South Korea, Malaysia and Singapore.![English actor Frank Oz voiced both Yoda from Star Wars and Miss Piggy from The Muppets!]()
Oz also voiced the Cookie Monster, among other Sesame Street characters.![Because brain activity and concentration burns calories, studying uses slightly more energy than when resting]()
The calories one may burn while thinking hard is quite minimal, meaning studying shouldn’t be considered a weight-loss strategy.![During the prehistoric ages, a year had more than 365 days. This is because the moon slowly drags the Earth’s spin over millions of years, making days last longer.]()
According to NASA, a year had 370 days about 70 million years ago, and a year had 486 days about 900 million years ago.![There are thousands of sports across the world. The Olympics only features less than 1% of them]()
The Milano Cortina 2026 Winter Olympics and LA 2028 Summer Olympics will feature a total of 43 sports.![Opposite sides of a standard six-sided dice will always add up to seven. This arrangement helps distribute weight across the dice]()
This means 1 is opposite of 6, 2 is opposite of 5, and 3 is opposite of 4.![Many dogs will often lead with the same leg when they start walking forward]()
That leg is their dominant leg!![Our ancestors were once pushed to the brink of extinction 900,000 years ago]()
Genetic studies suggest that the human population once shrunk to 1,280 in Africa, according to history.com.![You would only have lived one billion seconds after turning roughly 32 years old.]()
You live 1 million seconds when you turn 11 days old.![Constellations would look the same if we were to view them from Neptune. That’s how unfathomably far our solar system is from the stars!]()
From the Orion’s Belt to the Big Dipper, constellations would look the same from every other planet in our solar system.![Hershey, known for their chocolate, and Hershey’s Ice Cream are completely separate and unrelated companies]()
Both companies were found in Lancaster County, Pennsylvania, in the same year and by men with the same last name.![When Robert Downey Jr. went to Japan for the opening of Iron Man, he was interrogated for his lengthy criminal activity. Although he was cleared to enter, Japan ultimately asked him to never come back again]()
Robert Downey Jr., who didn't disclose his past arrests and drug-related charges during his travels, was interrogated for six hours in 2008.![President’s Day was originally called Washington’s Birthday to honor the first U.S. president.]()
George Washington’s birthday lands on Feb. 22, but President’s Day is now observed on the third Monday of February.![You can tell the temperature in Fahrenheit by counting how many chirps a cricket makes within 15 seconds and then adding 40.]()
Crickets rub their wings together faster in warm weather and slower in cold weather.![Mangos, cashews and poison ivy are all related to one another and contain an oily irritant]()
The oily irritant can be found in a cashew's shell, leaves, stems and roots. Mangos contain it in its skin, stems, leaves and tree sap.![About 5-10% of the electricity used by a lightbulb is converted into light. The rest is wasted as heat!]()
This is typical for incandescent light bulbs.![Until the 1920s, NYC used to have a designated Moving Day. Every resident had to wait until May 1 to swap homes in one go.]()
Moving Day eventually died out after becoming too chaotic. Streets used to be blocked by horse-drawn moving wagons!![Every year, Americans buy enough plastic film to shrink wrap the state of Texas]()
In 2018, millions of Americans were recorded using 10 or more rolls of plastic wrap, according to National Geographic.![Stars don’t twinkle. The incoming light we see bends due to turbulence in the Earth’s atmosphere, causing the star to have a twinkling effect.]()
The Earth's atmosphere is turbulent due to different temperatures and densities in the air. Because space doesn't have any atmosphere, stars don't appear to twinkle to astronauts.![The Earth’s core of molten and solid iron can reach to temperatures close to the surface of the Sun]()
Scientists measure the Earth's inner temperature by analyzing seismic waves generated by earthquakes.![The United States is the largest cheese producer in the world. About 29% of the world’s cheese comes from the U.S.]()
Germany is the second-largest cheese producer in the world.!["Typewriter" is the longest word that can be typed from just one row on the keyboard.]()
"Typewriter" is the longest word that can be typed from just one row on the keyboard.![If the age of the Earth was condensed to the lifespan of a human, we would have lived for only 50 seconds respectively]()
A human's lifespan (85 years) is only 0.00000189% of the Earth's age (4.5 billion years).![The Atlantic Ocean is the saltiest ocean in the world, and the Arctic Ocean has the least]()
Salinity decreases near the equator and at both poles, but, on average, every gallon of ocean water has one cup of salt.![A single strand of hair may last 3-6 years on women before shedding, and 2-4 years on men]()
Hormones play an important role in hair loss in men. DHT, which is derived from testosterone, can cause hair follicles to shrink and result in eventual hair loss.![Italy has a red wine fountain open to the public completely free of charge]()
The winery, Dora Sarchese, located in Italy’s Abruzzo region, offers free wine 24/7.Fun Facts: A baby's brain doubles in size by their 1st birthday
Did you know that a baby's brain becomes twice as large by the time they turn one years old, and that a tablespoon of soil holds more microbes in it than there are people on Earth?
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- Fun Facts: A baby's brain doubles in size by their 1st birthday
