The Olympic flag's colors are always red, black, blue, green, and yellow rings on a field of white. This is because at least one of those colors appears on the flag of every nation on the planet. olympic.org
Prairie dog language is complex. They donβt just have a call for βdangerβ: their calls differentiate human, hawk, domesticated dog, coyote etc. and specify size & color. One study found that they can communicate βHere comes the short human in the yellowβ (vs the tall human in blue) to each other npr.org/2011/01/20/132650β¦
In 2019, a nurse set the record for the fastest marathon in a nurse's uniform, but was originally rejected by Guinness World Records, because she was wearing scrubs and pants, and not a blue and white dress, apron, and a nurse's cap. After backlash, they backed down and accepted her record edition.cnn.com/2019/05/0β¦
To promote the Smurfs (2011) movie, Sony temporarily painted the traditional "pueblo blanco" town of Juzcar, Spain to a bright blue. The residents were so happy with the increase in tourism afterwards that they elected to keep the change permanently. veebrant.com/juzcar-smurfβ¦
They make and sell blue Santa suits in Liverpool as they are the colours of Everton FC and fans refuse to wear Red and White as they are the colours of their rivals, Liverpool FC. evertonfc.com/news/189954β¦
Today I Learned an ultra-rare species of blue bees has recently been redicovered after missing for 4 years. They are hyper-local species and only live around an isolated patch of sand dunes along the central Florida ridge. Before 2020, they were last seen in 2016. globalnews.ca/news/694409β¦
Most humans see about a million colors due to three retinal cones: red, green, and blue. Some humans have a fourth cone for orange light and can see 100 million variations in color. thecut.com/2015/02/what-lβ¦
Giraffes have a blue tongue to protect them from sunburn, because they graze on the tops of trees for up to 12 hours a day in the direct sunlight. Their tongue contains melanin, the same pigment responsible for tanning. earthnworld.com/why-girafβ¦
The first two African Americans to play Major League Baseball were brothers Fleet Walker and Weldy Walker, who played for the Toledo Blue Stockings in their 1884 season. Jackie Robinson and Larry Doby were the first to breach the color line in baseball's modern era. en.wikipedia.org/wiki/188β¦
An American Indian woman left behind during an evacuation in 1835 lived alone on a remote island off the coast of California for 18 years, inspiring the childrenβs novel Island of the Blue Dolphins. atlasobscura.com/places/sβ¦
A Mesolithic skeleton called cheddar man was the oldest complete human skeleton in Great Britain, after a genetics decoding in 2018, it is revealed he had dark skin and blue eyes. bbc.com/news/science-enviβ¦
The obrina olivewing butterfly is the only known plant or animal that is truly blue, meaning it produces a blue pigment. All other βblueβ plants and animals are using light reflection to seem blue to our eye when they actually are a different color. bestlifeonline.com/blue-iβ¦
Van Halen refused to make videos for their album 5150, so Warner Bros quickly cobbled together a video for the song "Dreams" by using stock footage of the U.S. Navy's Blue Angels. The cheap video became a surprise hit on MTV and the Navy began to use it as part of their recruiting efforts. navalhistory.org/2020/01/β¦
Santa's red suit was created by caricaturist Thomas Nast in the 1860s and popularized by the Coca-Cola company in the 1930s . Before that, he was depicted in suits of primarily blue or tan. halloweenexpress.com/histβ¦
In his college days, Steve Wozniak used a blue box (an illegal phone hacking device) to call the Vatican. He pretended to be Henry Kissinger and asked to speak with the Pope but was denied because the Pope was asleep. en.wikipedia.org/wiki/Bluβ¦
The slide guitar of the Blues and Country & Western's lap steel are both offshoots of a technique pioneered in Hawaii in the late 1800s. Hawaiian music was internationally popular by the early 1900s, greatly influencing the birth of both American genres. en.wikipedia.org/wiki/Steβ¦
Horseshoe crab blood is pale blue and is used to detect if medicine is contaminated. A quarter of a million are caught a year and bled alive by draining up to 30% of their blood from the near the heart. Then they are released back into the wild along way from where they were caught. inhabitat.com/every-year-β¦
There was a Blues Brothers animated tv show starring Jim Belushi and Peter Akykroyd, the brothers of John Belushi and Dan Akykroyd lostmediawiki.com/The_Bluβ¦
Why mandrills have such colorful bums. Turns out the bright red and blue on a male mandrillβs backside really draws the eye β especially the ladiesβ. Only dominant, top males flaunt such vibrant hues, and female mandrills see them as a badge of fitness. popsci.com/science/articlβ¦
Sunday, December 1st, 1974, TWA-Flight-514 crashed into a peak in the Blue Ridge Mountains in Virginia. The crash exposed a secret complex built inside the hollowed out mountain. en.wikipedia.org/wiki/Mouβ¦
Less than a quarter of U.S. workers report using math any more complicated than basic fractions and percentages during the course of their jobs. Blue-collar workers generally do more advanced math than their white-collar friends theatlantic.com/business/β¦
Although red, yellow and green LED lights have been widely available since the 1960s, blue and white LEDs did not exist until the 1990s. The people who invented the blue LED won the Nobel prize for it in 2014, as it finally allowed for them to display the full color spectrum with LEDs. physicsworld.com/a/my-favβ¦
There are blue, metal detectable bandages. Used in food processing, they are easier to see, and the metal makes them easily detectable by equipment if they fall off a worker. mfasco.com/first-aid-suppβ¦
Jeans were originally dyed blue with a natural indigo dye, which was chosen for the way it interacted with cotton. When heated, most dyes penetrate cotton fibers but indigo dye attaches to the fibers' surface. Some of the molecules escape over time, giving jeans the signature faded look. businessinsider.com/why-jβ¦
Blue-ringed octopi bites are lethal to humans because of the creaturesβ venom. The venom can kill more than 20 humans in just a few minutes. healthline.com/health/bluβ¦
On top of having webbed feet, a bill, a beaver-like tail, and poisonous claws, platypuses also have bioluminescent fur. It has been found that when platypus fur is viewed under a UV light source it has the appearance of being greenish blue in hue. blog.css-engineering.com/β¦
The Blue Peacock project wanted to store nuclear mines in Germany. If the Soviets invaded, the bombs would be detonated. One technical problem was that a mine's electronics could fail because of the cold. One proposed fix was to use live chickens, as their body heat would prevent this. en.wikipedia.org/wiki/Chiβ¦
Steve Jobs first business was selling blue boxes (designed by Steve Wozniak ), that allowed users to get free phone service illegally en.wikipedia.org/wiki/Steβ¦
For the first 6 years of the production of the Ford Model T (1908-1913), it was only available in green, blue, gray (only for the town cars), and red (only for the touring cars). "Any colour so long as it is black" only started in 1914, due to the low cost, durability, and faster drying time en.wikipedia.org/wiki/Forβ¦
In his songs, Chuck Berry articulated every word, with precise diction and no noticeable accent, leading some listeners and concert promoters, used to a different kind of rhythm-and-blues singer, to initially think he was white. Teenagers didn't care about his race adn.com/nation-world/2017β¦
Moviegoers seeing "13 Ghosts" in 1960 could choose if they wanted to see the ghosts or not. The ghosts were added with a red filter on scenes with a blue filter. People were given viewers with red and blue cellophane, and depending on which one they looked through could "remove" the ghosts. en.wikipedia.org/wiki/13_β¦
American blues musician Robert Johnson was said to have sold his soul to the devil. The story is that he went to the crossroads near a plantation at midnight and met the devil, who took his guitar, tuned it, played a few songs, and handed the guitar back, granting him mastery of the instrument. en.wikipedia.org/wiki/Robβ¦
Deep Blue versus Garry Kasparov was a pair of chess matches between the then world chess champion Garry Kasparov and an IBM supercomputer called Deep Blue played in 1996 and 1997. The 1997 match was the first defeat of a reigning world chess champion by a computer under tournament conditions. independent.co.uk/sport/gβ¦
Until WWII, Japan did not distinguish between green & blue. Green was considered a shade of blue, so green apples are called "blue apples" (ao-ringo) & green traffic lights are called "blue lights (ao-shingΕ ιδΏ‘ε·)." Today, Japanese traffic lights are green, but are a very blue-green. faqjapan.com/why-is-greenβ¦
Carl Sagan convinced NASA to turn the Voyager Spacecraft towards earth and take the iconic βPale Blue Dotβ photo nearly 4 billions miles away from earth planetary.org/explore/spaβ¦
Today I learned of Scylla and Charybdis - and all the different idioms that have been handed down from their myth, such as "between the devil and the deep blue sea," "between a rock and a hard place" and "on the horns of a dilemma." en.wikipedia.org/wiki/Betβ¦
Many products that claim to include blueberries actual contain blueberry juice or imitations of blueberries. Imitation blue berries are often made of corn syrup and blue dye. Kellogg's justified the lack of blueberries in one of their cereals by defining "blueberry muffin" as a flavor. consumerreports.org/cro/mβ¦
The blue whale heart rate was measured for the first time last year! It gets as low as 2 beats per minute, raising up to 37 when it resurfaces (more oxygen access). It works at physiological extremes, and explains why the whale never evolved to be even bigger. newatlas.com/biology/firsβ¦
Indigo isn't considered a colour of the rainbow anymore as the historic perception of indigo is now considered blue by modern standards. en.wikipedia.org/wiki/Raiβ¦
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