How many balloons would it take to life ...

These marine invertebrates can solve puzzles, use tools, and camouflage themselves by changing their very skin -- yet they live only three to five years, and die after mating. Learn more about octopuses in today's episode of BrainStuff, based on these articles: https://animals.ho ... Show More

Iron processing is a benchmark of civilization for good reason -- this metal makes a lot of technology possible. Learn about the history and science of refining iron and steel in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/iron.htmSee o ... Show More

In the mid-1900s, Dorothy Kilgallen was a famous journalist and popular media personality -- but her investigation into the deaths of President Kennedy and his assassin, Lee Harvey Oswald, may have gotten her killed, too. Learn about the alledged organized crime coverup Kilgallen ... Show More

After North Korean balloons delivered trash to South Korea, we explore balloons of all kinds, why they can be useful, and when they’re not.Scientists have been using balloons for a long time, from pig bladders dropped from great heights, to Michael Faraday inventing the rubber ba ... Show More

Have you ever accidentally let go of a helium balloon and watched it float up … up … and away? It drifts way up in the sky until it’s just a tiny speck! But what would happen if a balloon made it all the way to outer space? We asked astrophysicist Amanda Farah to help us find the ... Show More

<p>Up in the Air: How long can a bird stay in the air? How about an airplane? From human flight to the future of laser-powered drone aircraft, the answers may surprise you in this episode of Stuff to Blow Your Mind. And be sure to click here for a mini-gallery of birds and planes ... Show More

Balloon workout 

Helium is full of contradictions. It’s the second most abundant element in the universe, but is relatively rare on Earth. It’s non-reactive, totally inert—yet the most valuable helium isotope is sourced from thermonuclear warheads. And even though we treat it as a disposable gas, ... Show More

At the dawn of human flight you had one option... Balloons! Balloons were all the rage in 1700s France and Aeronauts were the daredevils / entertainers at the cutting edge of this new science that made the spectacle come alive! Matt and Helen discuss this magical time with profes ... Show More

Andrea Sella, Professor of Inorganic Chemistry at University College London, celebrates the art and science of the chemical elements. Today he looks at helium. Helium is a finite resource here on Earth and many branches of science need it. Doctors need it to run MRI machines to d ... Show More

<p>In our episode on the bends, you joined us as we explored how low we can go. Now we’re back with a similar invitation: come along to learn how high we can fly (and what happens to our bodies when we get up there). In this very special episode, we examine the short-term effects ... Show More

Anticipating a fall from 10,000 feet or more? In this episode of Stuff to Blow Your Mind, Robert and Joe discuss your chances of survival. (Originally published 8/15/2019) Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for priv ... Show More