Glow-in-the-Dark Cities, Feeling Holes, Max Volume on Earth

Learn about glow-in-the-dark cities; why holes feel larger with a tongue than a finger; and the maximum volume on Earth.

March 02, 2022

Maybe we can save the planet by making our cities glow in the dark by Briana Brownell

Why holes feel larger with your tongue than with your finger by Grant Currin

There’s a maximum sound volume on Earth by Cameron Duke

Follow host Cody Gough on Giveo and at https://academicpodcasts.com. Still curious? Get exclusive science shows, nature documentaries, and more real-life entertainment on discovery+! Go to https://discoveryplus.com/curiosity to start your 7-day free trial. discovery+ is currently only available for US subscribers.

See omnystudio.com/listener for privacy information.

Next Up

Why We Know Nothing about Dark Matter and Dark Energy

Welcome to the era of precision cosmology…where we’ve managed to very precisely measure everything we don't know about the universe.

A Guide to Defending the Earth

Let’s say one day astronomers announce that our worst nightmare has come true: a large object is headed towards the Earth with a significant chance of impact. What do we do?

Shark Week 2024

Shark Week hosted by John Cena was an electrifying and unforgettable experience that left fans in awe of the world beneath the waves. Check out what happened during the best week of the summer on Discovery. See the full schedule or stream Shark Week on Max!

Curiosity Daily Podcast: Turning the Table on Addictive Apps, Black Hole Reflections

Learn how to turn the table on addictive apps; and how black holes can make us see multiple versions of the same thing.

Curiosity Daily Podcast: What Your Ears and Spider Fuzz Have In Common

Learn why Cygnus X-1, the first black hole ever discovered, is bigger than we thought. Then, learn about spider hearing with help from Ron Hoy, a professor of neurobiology and behavior at Cornell University who studies acoustic communication in insects.

Curiosity Daily Podcast: The Dark Ages Weren’t Really Dark

Learn about the “smellicopter,” a drone that can smell via a live moth antenna; why the “Dark Ages” weren’t as dark as you might think; and how simple word swaps can secretly trick your brain.

Curiosity Daily Podcast: Nudge Theory’s Dark Side (w/ Richard Thaler), Hybrid Fruit Science, Words for “Pirate”

Learn about how to avoid getting dragged down by “Sludge”; how hybrid fruit like plumcots are made; and pirate parlance.

Curiosity Daily Podcast: Apes Say Hello, Life on Snowball Earth, Learn Twice as Fast

Learn about non-human animals that say hello and goodbye; life on Snowball Earth; and how to learn skills twice as fast.

Curiosity Daily Podcast: Earth’s Core Growing Lopsided and the Science of Gut Feelings

Learn how to tap into your “gut feeling,” which knows more than you think it does; and why Earth's core is growing lopsided.

Curiosity Daily Podcast: Psychosomatic Illnesses and Seeing Behind a Black Hole

Neurologist Suzanne O’Sullivan demystifies psychosomatic illnesses. Then, learn how scientists saw behind a black hole.