30 Animals That Made Us Smarter - Jellyfish and underwater robot

S2 Ep 24. The world’s most efficient swimmer is the moon jellyfish! It’s the inspiration for a soft underwater robot that is safe enough to use in fragile environments like coral reefs and aquatic archaeological sites. By contracting a ring of muscle, the jellyfish can push water out of their bell-shaped bodies, thrusting them forwards without using much energy at all. Get in touch: www.bbcworldservice.com/30animals #30Animals

More or Less: Behind the Stats - Does wearing a mask halve your chances of getting Covid-19?

Masks, you may not have worn them before 2020 but now we?re all at it. With the rise of the Omicron variant countries have scrambled to reintroduce public health policies, among them mask wearing. Health officials and scientists agree that masks help reduce the incidence of covid19 infections ? but by how much is still debated. Several newspapers recently reported that masks could cut Covid-19 infections by 53%, we look at how they came to this number and whether we should be believe it.

(Image: Leon Neal/Getty Images)

Everything Everywhere Daily - Pope Joan

According to the records of the Catholic Church, there have been 266 men who have been pope. However, for centuries it was thought that there was another pope not on the list that was different from all of the others. What made this pope different is that the pope was a woman. Learn more about the legend of Pope Joan, both the fact and the fiction, on this episode of Everything Everywhere Daily.

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Pod Save America - Offline: Charlie Warzel on Facebook’s Original Sin

Offline is here to stay and the show has moved to its own feed. To listen to Jon's interview with Charlie Warzel, and the many great episodes to come, search Offline with Jon Favreau and click subscribe. See you there!


Charlie Warzel has covered the internet and culture at BuzzFeed News, The New York Times, and his newsletter Galaxy Brain. He joins Jon to talk about the architecture behind our platforms, break down how the internet has embedded itself in our culture, and argue that humans shouldn’t be connected at this scale.


For a closed-captioned version of this episode, click here. For a transcript of this episode, please email transcripts@crooked.com and include the name of the podcast.

Everything Everywhere Daily - The Internal Combustion Engine

One of the technologies which have helped make the modern world is the internal combustion engine. Without it, the world would be a very different place today. Yet it wasn’t a technology that appeared fully formed. It was developed incrementally over a century. To get it to a point where it was viable for use in vehicles took numerous innovations.

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The NewsWorthy - Special Edition: Omicron Q&A & Pandemic Predictions

The omicron variant of the coronavirus is now officially here in the United States and spreading around the world. But there are still a lot of questions about it.

Today we hope to help clarify what scientists do, and don’t know, about this variant. I’m talking with infectious disease specialist and epidemiologist Dr. Céline Gounder.

She’s a practicing physician in New York City and has been a trusted voice throughout the pandemic. She’s the host of the “Epidemic” and “American Diagnosis” podcasts and has even advised the White House about COVID-19.

This episode is brought to you by Ritual.com/newsworthy and RadPowerBikes.com

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Byzantium And The Crusades - The Fall of Constantinople Episode 13 “The Final Battle”

The Ottoman Sultan, Mehmet II, has decided to launch an all-out attack on the city of Constantinople. But the brave defenders are prepared. They resist wave after wave of Turkish troops until their luck runs out with a cruel twist of fate. 

Please take a look at my website nickholmesauthor.com where you can download a free copy of The Byzantine World War, my book that describes the origins of the First Crusade.