In preparation for Mother's Day, Mike and Chad are replaying an episode from 2019, in which Megan Bestwick discusses Mitochondria with us. Enjoy.

Chad and Mike answer a question from a (future?) listener about birds and dinosaurs, "Why did birds survive and dinosaurs didn't?"If you have a question that you'd like us to tackle, email us at [email protected]

Mike and Chad speak with Stephen Tufte from Lewis and Clark College about the physics of the mandolin. Why does it have double strings? And why does it have f-holes in the front plate? These and other questions will be answered.If you have questions that you would like answered, email us at [email protected]

Mike and Chad are on Spring Break, so we thought our listeners would enjoy listening to an episode from January 2021 about how our cells develop tans.

Mike and Chad talk about the new James Webb Space Telescope, which has just begun collecting preliminary data. If you have ideas for future episodes, email us at [email protected]

Chad and Mike discuss treatments for HIV that have been discovered by studying those rare individuals who are naturally immune to HIV and AIDS. Connect with us on Facebook if you have ideas for future episodes.

Mike and Chad discuss ways in which lasers can be used to cool atoms so that they are basically not moving, which allows for more careful studies of atomic properties.If you have a topic you would like to learn more about, email us at [email protected]

Chad and Mike discuss some of the mechanisms and what pressures drive viruses change to create new variants. Comparing this pandemic to the Spanish Flu might give us insight in what to expect going forward.If you want to know more about COVID, send us an email at [email protected] and we will try to address it in a future episode.

Chad and Mike invite Stephen McCormick, a research fellow at the US Geologic Survey, to discuss how salmon can live in fresh water and transition to salt water. Join us in the briny depths to learn more about salmon.

Mike and Chad discuss where gold comes from. It really is a gold star episode.If you have questions for us to answer, email us at [email protected]