Yesterday

BrainStuff Classics: Is Canned Food Really Worse Than Fresh or Frozen?

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this classic episode of BrainStuff, based on this article: https://recipes.h ... Show More

8m 20s

Jul 31

How Do Octopuses Work?

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

13m 32s

Jul 29

How Do We Get Iron and Steel Out of Stone?

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

11m 41s

Aug 2015

How Earth-Like Planets Work

Since the Kepler telescope went online, astronomers have found there may be an estimate 40 billion planets like Earth in the Milky Way galaxy alone. What does it take for a planet to be considered Earth-like? Learn more about your ad-choices at <a href="https://www ... Show More

31m 37s

Jul 2015

Grizzly Bears from Outer Space

A region of space barely a thousandth of a square degree on the sky contains a whopping 5,500 galaxies. Making the probability that there exists at least one planet that could support life pretty tantalizing. What might that life form look like? Robert and Joe discuss cosmolog ... Show More

59m 59s

May 2024

Ep. 721: Rogue Planets

Astronomy Cast Ep. 721: Rogue Planets By Fraser Cain & Dr. Pamela Gay Streamed live on May 20, 2024. Most of the exoplanets we've found are around stars, where they belong. But a few have been found free-floating in interstellar space. The evidence is growing that there are a lot ... Show More

29m 49s

Mar 2019

The Lost Daughters of Aten: Planet 9

Pluto may not be a planet, but it definitely exists. Not every case is so clear. The history of near-Earth astronomy contains many cases of bodies that may or may not have ever existed in the solar system we call home. In this episode of Stuff to Blow Your Mind, Robert Lamb and J ... Show More

44m 45s

Aug 2024

Hide and seek with Planet 9

A ninth planet may be lurking in our Solar System out beyond Neptune. Caltech's Mike Brown and Konstantin Batygin join us to discuss their new paper, the latest evidence for Planet 9, and why they believe their hunt may soon be over. Then, Bruce Betts, chief scientist of The P ... Show More

52m 11s

Aug 2019

Forget Storming Area 51, AI’s Helping Astronomers Scour the Skies for Habitable Planets - Ep. 93

Imagine staring into the high-beams of an oncoming car. Now imagine trying to pick out a speck of dust in the glare of the headlights. That’s the challenge Olivier Guyon and Damien Gratadour face as they try to find the dull glint of an exoplanet — a planet orbiting a star outsid ... Show More

24m 32s

Nov 2019

The search for our solar system's ninth planet | Mike Brown

Could the strange orbits of small, distant objects in our solar system lead us to a big discovery? Planetary astronomer Mike Brown proposes the existence of a new, giant planet lurking in the far reaches of our solar system -- and shows us how traces of its presence might already ... Show More

13m 14s

Apr 2023

Science Has New Ideas about 'Oumuamua's Weirdness

Our first known interstellar visitor is now long gone, but new research has some ideas about why it moved the way it did while it was in our cosmic neighborhood. Learn more about your ad choices. Visit megaphone.fm/adchoices

6m 10s

Have We Found the First Planet Outside t...