Science historian Lydia Pyne on how “genuine fakes” live in a gray area. Plus, a new Neanderthal find in Kurdistan’s Shanidar Cave could provide new insights into ancient culture. 

We talk with dental experts about how your gums affect your heart, frontiers in cavity prevention, and why the future of dentistry is personal.

How massive tech companies have grown to resemble nation states. Plus, scientists are making hybrid mechanical animal hearts in the hopes of finding alternate transplantable organs. 

The SciFri Book Club wraps up our month-long investigation of the Great Lakes. Plus, California's government seeks to regulate water flowing into underground aquifers.

Former Marshall Islands President Hilda Heine speaks on a vulnerable country’s plan to stay put in the face of climate change, and why other countries should pay attention.

 A new book on why empathy is important to society, and how tech is changing that. Plus, a new film tells the story of a young African-American chemist and her pioneering work.

How Native American communities are planning for climate change, from traditional fire management strategies to the use of high-tech satellite data.

Journalist Kate Pickert tells the surprising cultural history of breast cancer in her book Radical. Plus, new research suggests living cells on butterfly wings help regulate temperature.

Health experts consider measures that could be put in place to halt the spread of the coronavirus. Plus, how can ecologists predict invasive species in advance?