In today’s episode, we may have our best Dirty Joke of the Week ever.Oh — and we’re also answering six sexy questions with real science.What exactly is pre-ejaculate?How likely is pregnancy after a vasectomy?How fast do sperm di...

You become a part of everyone you have sex with and everyone you have sex with becomes a part of you. That is not poetry. That is biology. There are more bacterial cells in your body than human cells and more viral particles than both of those ...

In this episode Robert and Anna take you inside the world of CLIA certified labs, the invisible backbone of every STI test in the United States. If you have ever wondered how a lab earns its certification, who oversees it, what standards they m...

This episode is your invitation to the side of Thanksgiving that no teacher ever mentioned. Robert and Anna pull back the curtain on the Puritans and reveal a world that was a whole lot less pure than the myths. These were people who preached r...

Today we break down the pharmacology that every man should know. Sildenafil and tadalafil belong to the same class of medications, but they behave very differently. We cover the evolutionary path from early cardiovascular research to the discov...