Distillations Podcast

On today's show we look at the modern power grid, which is on the brink of important changes. First, why the smart grid matters. Then, the critical mission of Caltech's Solar Army.

On today's show we investigate the science beneath our streets. First how a team of amateur speleologists are keeping Howe Caverns safe. Then a look at Philadelphia's historic sewer system.

On today's show we learn how advances in urban agriculture are providing new access to fresh food. First how hundreds of tons of fishbones are cleaning up Oakland soil. Then tips on how to create your own backyard garden.

On today's show we see old bones made new again. First the ongoing restoration of Philadelphia's 19th Street Baptist Church. Then a discussion about what makes some old buildings greener than new ones.

During decades of tension between the United States and the Soviet Union over the course of the Cold War, both sides wielded science as a weapon. Find out how on today's show.

Today your taste buds take center stage. First, how super-tasters' genetic gift might afford them better health. Then the art of imitation flavors.

On today's show we peel back our skin. First, an innovative technology that could provide early detection of osteoporosis. Then, a look at stone man syndrome–a rare disease that causes the body's connective tissue to turn into bone when damaged.

Today we begin the three-part series A Day in the Life, spotlighting the common chemistry of morning, noon, and night. First, a look at what's lurking in our bathroom products and what experts say about the controversy over fluoridated water.

Treasure or toxin? Today we follow Teflon's rise from happy accident to indispensable tool at work, home, and even war. 

On today’s show is a special conversation between two alchemy experts: James Voelkel, who curated CHF’s exhibit The Alchemical Quest, and Lawrence Principe, author of The Secrets of Alchemy.