Why Do Ears Ring?

In this video from Hank Green et al. at SciShow, they address the age old question “Why do ears ring?” If you like this video, be sure and subscribe to their channel here. If you liked this video, you might also enjoy: Do Earwigs Really Lay Eggs in Your Ears? Do Your Ears And Nose Continue To Grow As You […]

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The Fascinating Reason Witches are Commonly Depicted Flying on Broomsticks

Emily A. asks: Why do witches fly on broomsticks? We’ve heard this one. To get high, of course! But seriously, it’s thought the idea of witches flying around on broomsticks came from the practice of concocting “witches flying ointment” (read  hallucinogens) and then using a broomstick to administer the drug to certain sensitive regions, thereby bypassing some of the negative […]

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Why We Call Certain Types of Threats “Blackmail”, and The Origin of the Lesser Known “Buttockmail”

Karl M. asks: Why is it called blackmail when you threaten to reveal something about someone if they don’t give you money? “Blackmail” has its roots in the early 16th century, first used by English farmers living on the England/Scotland border. It derives from the Middle English word “male” which itself is thought to derive from the Old English word […]

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Weekly Wrap Volume 60

This is a weekly wrap of our Daily Knowledge Newsletter. You can get that newsletter for free here. Who is McDonald in McDonald’s Restaurant McDonald’s is, without question, the most successful, popular, and influential fast-food restaurant chain in recorded history. The name most commonly associated with McDonald’s is Ray Kroc.  Kroc was the entrepreneur who founded the McDonald’s corporation.  So […]

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Podcast Episode #254: Erased from Existance

In this episode, you’re going to learn about an interesting punishment occasionally leveled against certain individuals in Ancient Rome- Damnatio Memoriae (condemnation of memory), where they would attempt to erase all evidence that that person had ever existed. [TRANSCRIPT] Don’t miss future episodes of this podcast, subscribe here: iTunes | RSS/XML You can also find more episodes by going here: […]

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Podcast Episode #253: Hiccup

In this episode, you’re going to learn what exactly causes hiccups and some methods to cure them.  You’re also going to learn about some of the longest bouts of hiccups ever recorded. [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

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Where Did Peanuts Come From?

James R. asks: Where did peanuts originally come from? The shell of a peanut (not actually a nut) is a pod, and, like other legumes, each pod may contain more than one seed. Although the cultivar common in the United States has two seeds, different peanut varieties will have anywhere from one to four. Nutritious and versatile, peanuts are a […]

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Are There Any Animals Other Than Humans That Commit Suicide?

Mark I. asks: Are there any known animals other than humans that intentionally commit suicide? Animal suicide is a hugely controversial issue in the world of animal research and psychology, because although there are numerous documented instances of animals seemingly intentionally ending their own lives, no one is exactly sure whether these cases can technically be classified as suicide. First […]

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