Stuff You Should Know

There have been many inventions that have advanced filmmaking, but maybe none as important as the steadicam. Invented in the mid-70s, it literally changed the way movie making happened, and made the impossible possible. Learn about the fascinating history behind this amazing technology today. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Between 2007 and 2016, 17 disembodied feet - still wearing shoes - have washed ashore between Washington and British Columbia. What's behind the sudden influx of Vancouver's mystery feet? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Starting a fire to prevent fire seems counterintuitive, but it makes a lot of sense once you understand it. But controlled burns aren't just to help prevent forest fires. They're also a vital part of keeping the local ecosystem healthy and thriving. Learn all about how controlled burns work right here, right now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Motion sickness is the worst and hits about 25 to 40 percent of humans when they ride in cars, boats, or simply watch the wrong 3-D movie. Join us as we break down the science behind this nausea-inducing affliction. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

With the discovery of a surprising immune response in E coli bacteria, we are facing a new era of freedom from genetic mutations that lead to disease by simply and precisely editing our genes. But there is also a potential dark side to gene editing. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

You can thank Wham-O's SuperBall for inspiring the name of the NFL's Big Game (buh) and you can thank the fear and the Soviet launch of Sputnik aroused in America for the invention of SuperBall! Learn the history and physics of this bouncy legend. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

If you've ever been in a bad accident in a newer car, you probably have crumple zones to thank for your life. Much more interesting than you think, these zones are designed to break apart and absorb impact, so you don't have to. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Chiggers are tiny little mites capable of making your life miserable. Worse than mosquitoes? Maybe. But they aren't insects - mites are actually part of the arachnid family and behave a little like ticks. Learn all about these nearly invisible pests in today's episode. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In 1945 a house fire took the lives of five children - except that no trace of their bodies was ever found. Dive into the longstanding mystery of the odd circumstances surrounding the disappearance of the Sodder children. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

For thousands of years people have been taking normal trees and forcing them into miniature. Learn all about the history and art of this strangely engrossing pastime. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Cannibalism is the macabre practice of eating other humans. But sometimes, people have no choice if they want to survive. It's called survival cannibalism and it tastes like chicken. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Snake handling ranges from professional snake milkers for antivenin to religious handlers who tend to get bitten and sometimes die from it. Either way, it can be a dangerous business. Learn all about snake handling right here, right now. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

In 1943 Swiss chemist Albert Hofman discovered he'd created what may be the most potent hallucinogen known to humankind. Then he took a bike ride. Learn about the chemistry, neurology, history and cultural impact of LSD-25. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Between 2 to 20 million years ago, the biggest shark with perhaps the most devastating bite of any animal ever ruled the oceans with an iron jaw. Despite its fierceness, megalodon went extinct while other species that swam with it survive today. Why? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

America had already used two nuclear bombs to devastating effect when researchers thought "maybe we can use these bombs to dig big holes instead." That's right, atom bombs to replace bulldozers. And it worked great. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

Tornadoes can make mincemeat out of houses, people, cars, you name it. So do you know what to do - and what not to do - when there's one headed your way? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There's a curious puzzle unanswered by the theory of evolution: why do some animals give up their chance to reproduce to help others reproduce instead? For decades biologists have suggested family was the reason, but that has recently been challenged. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The people of Flint, MI were horrified to find their drinking water was poisoned with lead. As we learn more about lead's effects and realize how persistent it is, the more worrying it becomes. What makes lead so toxic? Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

There are a number of theories for how the universe evolved but none are more widely accepted than the Big Bang theory. Learn about the mind-boggling details of the early universe and hear Dr. Neil deGrasse Tyson talk about what it will take for us to know its origins. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.

The gender pay gap is the amount of time into the next year a woman must work to earn as much as a man did the previous year. And it's narrowing at a snail's pace. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.