Asteroid strikes get all the coverage, but "Medea Hypothesis" author Peter Ward argues that most of Earth's mass extinctions were caused by lowly bacteria. The culprit, a poison called hydrogen sulfide, may have an interesting...

Dr. Seyi Oyesola takes a searing look at health care in underdeveloped countries. His photo tour of a Nigerian teaching hospital -- all low-tech hacks and donated supplies -- drives home the challenge of doing basic health care there.

Jessi and Cheeks the rabbit talk about some of the ways we can help make the lives of our aging rabbit friends as comfortable as they can be.

Jessi gives an update on the new chinchilla rescue. So much has happened in the last month, including picking a name!

When Kemosabe the porcupine suddenly stopped eating all of his food and then stopped drinking water, we worked with our vet to figure out what the cause was. We then got to work giving him everything we could to get him healthy and...

We've got Dr. Tyson Neumann on the program today, talking about his work in critical care. Tyson tells us all about his work treating critical health situations, and helping patients and their families decide the best course of action....

The new coronavirus is shutting down planet Earth. What lessons can the rest of the world learn from China, Singapore and South Korea?

Doctors have put at least one human in suspended animation, the New Scientist reports <br/>