# Sarah Rugheimer

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FULL EPISODE: Money Matters - August 26, 2026

Professor Eric Kam explains the complexities of tariffs, trade dependencies, and their impact on the Canadian and U.S. economies amidst recent negotiations and tariffs disputes. Gary Direnfeld explores the complex emotions surrounding grief, loss, and the enduring bonds with loved ones. Dr. Sara‮…

The Negative Impact of Light Pollution

Dr. Sarah Rugheimer discusses the impact of light pollution on astronomy, wildlife, and human health, emphasizing the urgent need for action to preserve dark skies and protect ecosystems. Learn more about your ad choices. Visit megaphone.fm/adchoices

FULL EPISODE: Should You Fear Weapons in Space? - September 18, 2026

It's space news with astrobiologist Sarah Rugheimer who covers: The United States has confirmed it has weapons in space; Scientists finally know how the universe's most extreme dead stars can form from vampire white dwarfs; Mercury is shrinking faster than we thought; and A new breakthrough could ‮…

FULL EPISODE: Just Say No to Betel Nut - September 25, 2026

For news from out of this world – namely, outer space – astrobiologist Sarah Rugheimer covers how the James Webb Space Telescope is helping astronomers become alien weather forecasters and how supermassive black holes are the architects of entire galaxies. (Check out Sarah's course Experiencing Ja‮…

FULL EPISODE: The Rat-Free Place, Now With Rats - September 30, 2026

Professor Jesse Rogerson joins David to cover the following science news: Sudden collapse of submarine volcano drives extreme hazard; Just five infections responsible for more than 2 million new cancer cases annually; The 'mind control' cat parasite manipulating you may have a simple explanation; ‮…

FULL EPISODE: You Can't Have What in Space?! - October 12, 2026

Tech analyst Carmi Levy joins us for It's Time for Technology Time, covering the following stories: A software bug is what triggered F1's Malaysia chaos; Google opens its SynthID watermark detector to the public; Robotaxi operators will face fines for blocking first responders; and Margaret Hamilt‮…

FULL EPISODE: The Moon's Cracking Up - October 26, 2026

With news from outer space, astrobiologist Sarah Rugheimer covers the following: Study finds the gas around the Milky Way's central black hole is rich in metals; The moon is shrinking and 10,000 cracks on the lunar surface reveal by how much; and The giant object that likely collided with Earth to‮…

The search for microscopic aliens | Sarah Rugheimer

Astrophysicist and TED Fellow Sarah Rugheimer searches for aliens -- but not the cartoony green kind. She's looking for extraterrestrial microbes by studying how these single-celled organisms emit gases, which could reveal evidence of them throughout the cosmos. Wondering if we're really alone in ‮…

The search for microscopic aliens | Sarah Rugheimer

Astrophysicist and TED Fellow Sarah Rugheimer searches for aliens -- but not the cartoony green kind. She's looking for extraterrestrial microbes by studying how these single-celled organisms emit gases, which could reveal evidence of them throughout the cosmos. Wondering if we're really alone in ‮…