Episodi
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In the 1990s we thought we’d identified the root cause of aging: nasty molecules called free radicals that wreaked havoc on our cells. Even better, we’d figured out how to counteract them with loads of antioxidants. Then science started raising questions.
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From prehistoric logs across streams to the 102-mile Kunshan Grand Bridge, nature works ceaselessly to take down spans. In this classic episode, learn about the fascinating ins and outs of bridge design and building and the mind-boggling challenges structural engineers face.
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Episodi mancanti?
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Bruce Lee may have introduced more Westerners to Asian culture than any person in history. And, because he died young just as he became an international superstar, he’s become a legend. Josh and Chuck try to uncover the man underneath.
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In 1945, residents of a Liverpool neighborhood found a desiccated body in a long cylinder they’d been using for years using as a bench. It launched a mystery that’s still alive today.
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The human population is expected to increase by a couple billion people in the next 30 years and those who are paying attention are wondering exactly how we’ll feed all those extra mouths. Will going high tech or getting back to nature save us?
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Born and raised in South America, chilis were the earliest crop domesticated in the continent and among the first items brought back to Europe by Columbus. Today people are really, really into them. Find out all about 'em in this classic episode.
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Geologists and biologists have recently realized that the planet’s oceans and coasts are littered with a unique type of ecosystem called blue holes, submerged sinkholes that were once dry caves. They are turning out to be weird and amazing places.
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As part of Black History Month, we wanted to share the little known story of the Freedom House Ambulance Service. Listen in to learn all about this seminal group of EMTs.
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In 2014, a young German man walked into an airport in Bulgaria with a flight booked, then suddenly ran out leaving all his posessions behind, never to be heard from again. This is the story of Lars Mittank.
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Owning a home in the US is a way to pass wealth down from one generation to the next and lift families into a comfortable life down the road. But there have been barriers to buying homes that Black Americans have faced from the time of slavery to today.
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California is a pretty cool name. And the story about where it came from is even cooler.
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Sacagawea was only 16 when she joined the Corps of Discovery. That is one seriously impressive teenager.
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Despite tons of people using cotton swabs each day to clean the earwax from their ears, cerumen (as earwax is clinically known) is actually quite beneficial to the health of your ears - and even kind of ingenious as your body's defense goes. Learn more in this classic episode.
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The NAACP has long been one of the most robust and effective non-profits in the USA. And while it has faded a bit from its glory days, it still remains a vital cog in the battle for equality.
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In 1986 Cleveland released more than a million helium balloons at once! It didn’t go at all according to plan!
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You know Groundhog Day – the holiday on February 2 when you wake up and have to go through the same day over and over again. It turns out the holiday has deep roots in a pagan past, and has survived in a surprisingly similar form.
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Cultures around the world over the years have been inspired by, then repulsed, then inspired by maggots' ability to heal persistent wounds. We are in an inspired-by phase right now. Learn more in this classic episode.
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Humans have been stealing energy from flowing water for at least two thousand years. It wasn’t until the advent of electricity that things really got cookin’. All we need to do now is to work out the harmful environmental impacts of this green energy.
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How black is vantablack? About as black as you could imagine.
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