Could we spot an alien nuclear blast?

Daniel and Kelly talk about interspecific brood parasites - which are species that sneak their eggs into the nests of other, unsuspecting species. How do they get away with this?See omnystudio.com/listener for privacy information. 

Daniel and Kelly answer questions about black holes, duplicate organs and bubble Universes!See omnystudio.com/listener for privacy information. 

Daniel and Kelly slow down to understand what velocity really means, and how much we have of it.See omnystudio.com/listener for privacy information. 

Is there life out there in the cosmos? Jorge talks to scientists about whether we are truly alone in the Universe.See omnystudio.com/listener for privacy information. 

Since the US bombing of Japan in World War II, the world entire has remained terrified of nuclear weapons. Even as scientists and scholars spent decades warning about the existential threat posed by technology that can literally end civilization, countries across the planet raced ... Show More

<p>Fuchs’ plan to feed secrets to the Soviets is in jeopardy. The atomic bomb project is closely guarded. That means little contact with the outside world, especially his handlers.</p><p>Listen to The Spy Who ad-free on Wondery+ in the Wondery App, Apple Podcasts or Spotify. Star ... Show More

What is this mysterious technology, and how is it going to affect our lives? Jorge talks to a Quantum scientist and visits their lab to see and hear these machines in action.See omnystudio.com/listener for privacy information. 

The secret military base Area 51 is inextricably linked to every secret, shady project the US government is rumored to be involved in – from reverse-engineering alien technology to coordinating a one-world government. The truth is much more mundane. Listen to this classic episode ... Show More

<p>Robert Powell, a founding Board member of the Scientific Coalition for UAP Studies, has studied the UFO subject for 17 years. His work is encapsulated in <em>UFOs: A Scientist Explains What We Know (And Don't Know)</em>which provides a scientific rationale for the reality of n ... Show More

<p>Lujendra Ojha, assistant professor at Rutgers University, joins Planetary Radio to discuss how subsurface liquid water on exoplanets orbiting red dwarf stars could increase the likelihood of finding habitable worlds beyond our Solar System. Then we check in with Bruce Betts, c ... Show More

Quickie With Bob: Using Nukes to Deflect Asteroids; News Items: Near Earth Asteroid Threat, Does the Internet Affect Our Memory, Growing City Rat Problem, Do Apes Have a Theory of Mind, NASA Astronauts Harassed by Aliens; Who's That Noisy; Science or Fiction 

Guest Rogue: Daniel Beauley; This Day in Skepticism: Jane Goodall; News Items: UFOs in National Geo, Seeing Inside Tissue, GOP on Critical Thinking, Alternative Chocolate; Who's That Noisy; Your Questions and E-mails: Who Owns Space; Science or Fiction