Is anesthesia safe for infants and children? Does general anesthesia have any long-term effects on learning, memory, or behavior? We welcome Dr. Paul Yost back to the podcast to explain.

In Part II of our series, Dr. S Jay Olshansky discusses longevity and life expectancy, and what the most powerful influences are on both.

Dr. S. Jay Olshansky discusses the science (and pseudoscience) of aging and how we can influence it.

Expert nuclear physicist, Dr. Kai Vetter, gives us an update on Fukushima five years after the meltdown.