No one knows what dark energy is or why it exists. So how did astronomers discover the mysterious force that's pulling the universe apart? Astronomer Jeff Silverman explains one of the universe's biggest mysteries. Learn more at www.tumblepodcast.com! Subscribe on iTunes and leave us a review. Music by Noveller and YACHT, courtesy of the Free Music Archive.
Apr 17
Are Animals Ticklish? (Mailbag + New song!)
A special “tickle attack” Mailbag edition of Tumble! We’re tackling your questions about whether animals can be tickled, and why we laugh when we’re tickled. David Leavens, a professor of psychology, helps us break down the not-so-silly science of tickling. Plus, a brand NEW SONG ... Show More
20m 52s
Dec 2021
The building blocks of the universe
Most of the matter in the universe is dark matter, an invisible, untouchable, mysterious substance. Scientists don’t know what exactly dark matter is, despite decades of searching. But recently, they got a new clue in the form of an extremely tiny dancer.
This episode is a remix ... Show More
53m 54s
Mar 2023
Cosmic Queries – JWST’s Primordial Galaxies with Wendy Freedman
<p>What do the early galaxies discovered by JWST tell us about the early universe? Neil deGrasse Tyson and comedian Matt Kirshen explore the expansion of space, dark energy, and the age of the universe with astronomer, Wendy Freedman.</p><p>NOTE: StarTalk+ Patrons can listen to t ... Show More
43m 6s