You only have to look at ancient art and writings to know that among human beings, same-sex attraction has existed across time and cultures. Even in the animal kingdom, you’ll see beasts of all shapes and sizes acting like they’re ready to march in a Gay Pride parade.

But in our culture, studying homosexuality comes with a lot of political and religious baggage so it’s difficult making sense of why so many of us are gay.

Today, science journalist Vince Gabrielle joins us to take a look at the sexy science of homosexuality: all the popular studies, some successful and some far fetched, that scientists have done over the past 60 years to try to understand what makes people gay.

Plus–

➤ The gay best friend archetype and the dangers of eugenics.

➤ Gay genes, gay brains, gay lions, and strong lizards that don’t need no damn man.