This week Zach and Kelly talk about how the blood of young mice makes old mice brains look young again, and whether or not genomics can help to predict the kinds of antidepressants to which a person will respond.

This week Zach and Kelly discuss research on how to eliminate certain types of anxiety, and chat about Bisphenol A (BPA).

This week Zach and Kelly talk about oxygen injections and exploding termites.

This week Zach and Kelly talk to Dr. Scott Commins of the University of Virginia about his research on tick-induced meat allergies.

This week Zach and Kelly bring back Dr. Michael Munger of Duke University to discuss how people parasitize economies and how parasites economize people.

Today Zach and Kelly talk to Dr. Jordan Miller, a postdoctoral student in Dr. Christopher Chen's Tissue Microfabrication Lab at the University of Pennsylvania, about his recent breakthrough using 3D printing to create blood vessels.

This week Zach and Kelly talk to Dillon McDowell, Josh Marion, and Melissa Loving about nanomagnets. All guests are past or current members of the Lewis Lab at Northeastern University.

This week Kelly and Zach talk to Dr. Christian Eggers about whether or not viruses should qualify as being "alive", and the importance of viruses in evolution.

This week Zach and Kelly are on an immune system kick, and discuss the potential downsides of new drug treatments and a new use for a previously existing drug.

This week Zach and Kelly talk to Elise Novitski, a PhD student studying CPT symmetry and the fine-structure constant in Dr. Gerald Gabrielse’s lab at Harvard.