Category Archives: Featured Facts

Can Color Blind People See More Colors When They Take Hallucinogenic Drugs?


Sam asks: If you gave a color blind person something like LSD or some other sort of hallucinogenic drug, would they see colors they couldn’t before? First a little primer on colour blindness from the good people at Most color blind people are able to see things as clearly as other people but they unable to fully ‘see’ red, […]

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How Commercial Airplanes Keep a Steady Supply of Fresh Air and How the Emergency Oxygen Masks Supply Oxygen Given They are Not Hooked Up to Any Air Tank


Jimmy K. asks: Why is there a plastic bag attached to airline oxygen masks if they don’t inflate? Because the economics of having large oxygen tanks aboard airliners simply doesn’t work out (not to mention that the air quality inside the plane would rapidly become unpleasant if fresh air wasn’t constantly supplied, regardless of the oxygen levels), commercial airplanes have […]

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Dustbin of History: The Lincoln Highway


The following is an article from Uncle John’s Bathroom Reader Like us, you probably can’t remember a world without highways—a time before there were gas stations, fast-food places, or shopping centers. Well, it all had to start somewhere…and this is where. WHERE’S THE HORSE? The 1893 World’s Fair in Chicago was in full swing when a gentleman walked up to […]

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Why Are Shoe Sizes as They Are?


Kim A. asks: How did they come up with the standard sizes for shoes? Seemingly arbitrary, there is a crazy logic (and a lot of muddy history giving rise to tradition) behind the numbers assigned to different shoe sizes. During the reign of England’s Edward II (1284-1327), certain measurements became standardized.  Most pertinent to the discussion at hand: Three barley-corns, […]

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Why Determining Easter’s Date is So Confusing


Kim M. asks: How do they decide when Easter is? The holiday of Easter is celebrated by over two billion Christians globally. Marking the day that Jesus rose from the dead, it’s always commemorated on a Sunday in the spring. Despite this, the exact date has consistently changed throughout the many centuries the holiday has been recognized. Additionally, various sects […]

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What Really Happens When Someone Enters the Witness Protection Program, How to Avoid Being Sued with the “Small Penis Rule”, That Time the U.S. Accidentally Nuked Britain’s First Satellite and More


In this week’s “best of” our YouTube channel, we discuss what really happens when someone enters the witness protection program, why breathing helium changes the sound of your voice, do road hazard signs like deer crossing and falling rocks actually prevent accidents, that time the U.S. accidentally nuked Britain’s first satellite, how to avoid being sued with the “small penis […]

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The Story of


In 1983, Paul Mockapetris proposed a distributed database of internet name and address pairs, now known as the Domain Name System (DNS).  This is essentially a distributed “phone book” linking a domain’s name to its address, allowing you to type in something like instead of the IP address of the website.  The distributed version of this system allowed for […]

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