In this episode, you’re going to learn the science behind why Mentos and certain beverages, like Diet Coke, react to produce a geyser of bubbles. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by going here: Daily Knowledge Podcast
Read more
Julie H. asks: Why did lead used to be added to paint? The use of lead in everyday objects dates back to the ancient Romans. They used lead in makeup, as an additive in food and wine, in pewter dinnerware, and many other items, including paint. The inexpensive metal was even used in the pipes that transported water throughout the […]
Read more
While not thought to be directly related to modern Valentine’s Day traditions, the beginnings of celebrating love (of a sort) in February date back to the Romans. The feast of Lupercalia was a pagan fertility and health festival, observed from February 13th through the 15th, that was celebrated at least as far back as 44 BCE (the year Julius Caesar […]
Read more
This Day In History: February 5, 1897 It all began when the gay literary critic Jean Lorrain accused author Marcel Proust (also thought to have been gay) of having a homosexual relationship with the son of one M. Alphonse Daudet, Lucien Daudet (pictured right). Proust demanded satisfaction for the accusation that he had a tryst with Daudet, and challenged Lorrain […]
Read more
In this episode, you’re going to learn why it is that hot dogs traditionally come in packs of 10 and hot dog buns in packs of 8. In the Bonus section, you’re also going to learn why milk is white. [TRANSCRIPT: Hot Dogs | Milk] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also […]
Read more
Older than writing, evidence of the practice of drilling a hole in someone’s head in order to improve their health and well-being has been found from as far back as 6,500 BC. Although most proper physicians today eschew the procedure and write it off as simply a function of superstition, the tradition of trepanning remains alive and well among adherents. […]
Read more
The first Earthlings sent into space were brave, calm under pressure, and heroic. They were also not human and many of them were furry. Yes, before Apollo 13, Buzz Aldrin, Neil Armstrong, and Yuri Gagarin, humans sent fruit flies, monkeys, and dogs into space to determine if living beings could survive the trip. These tests helped prove that, given a […]
Read more
Today in History: February 4, 1902 “There were times in an aeroplane when it seemed I had escaped mortality to look down on Earth like a God.” – Charles Lindbergh Charles Augustus Lindbergh, the celebrated aviator who made the first solo non-stop trans-Atlantic flight, was born on February 4, 1902 in Detroit, Michigan. He grew up on his family’s farm […]
Read more
This is another great video from Hank Green et al. on why you can see your breath when it is sufficiently cold outside. If you like this video, be sure and subscribe to their phenomenal channel, SciShow. If you liked this video, you might also enjoy: How Long You Could Survive in Space Without a Space Suit What Causes the […]
Read more
Matthew B. asks: Is it true that drinking gasoline will make you go blind? Probably not, although anecdotal evidence shows it has a strong correlation with stupidity. What it may do is cause vomiting, vertigo, confusion, drowsiness, breathing difficulties, burning in the esophagus, sore throat, weakness, and diarrhea, even when ingested in small amounts; in larger portions, it can cause […]
Read more
Mark C. asks: What does the letters in the stinky term P.U. stand for? Often used to accuse someone of exceeding his allotted level of funk, P.U. is, surprisingly, not an acronym, but, rather, likely was derived simply from the pronunciation of its parent word. Dating back to the early 17th century, a common exclamation of contempt for a foul […]
Read more
In this episode, you’re going to learn about who invented jeans, what inspired their creation, and how they became so popular. In the Bonus article, you’re also going to learn why women’s bikes traditionally have slanted crossbars. [TRANSCRIPT: Jeans | Bikes] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by […]
Read more
This Day In History: February 3, 1998 On February 3, 1998, Karla Faye Tucker was executed by lethal injection in Huntsville, Texas. She was the first woman to receive the death penalty in the state since the Civil War. Over one thousand demonstrators and 200 hundred members of the press gathered outside the prison. Emotions ran high. Even those that […]
Read more
In this episode, you’re going to learn the various theories on what happened to all the neanderthals, as well as what the current leading theory is. You’re also going to learn a surprising fact about modern humans in relation to Neanderthals. In the Bonus Why article, you’re going to learn just why it is that it hurts men in the […]
Read more
Marla W. asks: Did Shakespeare really invent the expression “to stand on ceremony” or is this just another expression he gets credit for online that was invented by somebody else? Thanks! Dating back to the early days of the English Renaissance, and quite possibly having been coined by none other than the Bard, himself, the phrase “to stand on ceremony” […]
Read more
Some people are into feet, others like dressing up in furry costumes, and a rare few will even get scatological (See: Mozart’s Much Less Family Friendly Works). But when it comes to weird sexual practices, it would be difficult to top the mating rituals of the one-humped camel. Also known as the Arabian camel and dromedary, Camelus dromedarius is found […]
Read more
This Day In History: February 2, 1886 For as the sun shines on Candlemas Day, So far will the snow swirl until the May. On February 2, 1887, the first official Groundhog Day featuring a rodent meteorologist at Gobbler’s Knob in Punxsutawney, Pennsylvania occurred. According to long-standing tradition, if on this day a groundhog pops out of his hole and […]
Read more
This is a weekly wrap of our popular Daily Knowledge Newsletter. You can get that newsletter for free here. The Invention of the Piano The names that come to mind at the mention of the Italian Renaissance are the likes of Medici, Da Vinci, and Galileo. Few, however, know the name Bartolomeo Cristofori, an accomplished craftsman who lived and worked […]
Read more