Parth Shah

As a society, we talk about sex more openly today than ever before. But so much still goes unsaid. This week on the Hidden Brain radio show, complicated stories of intimacy and attraction.

The CDC estimated that 72,000 people died of drug overdoses in 2017. There are many reasons why the opioid crisis is so hard to confront. One of them is social stigma.

To us non-babies, babbles like "ah-gah" and "dadadadada" can sound like cute gobbledygook. But they don't have to be such a mystery. We'll get a primer on how to decipher the dialect of tiny humans.

Imagine seeing a cockroach skitter across your kitchen counter. Does the thought alone gross you out? This week on Hidden Brain, we discuss disgust.

What does it mean to be a boy and what does it mean to be a girl? We delve into debates over gender – and explore how some people are moving beyond labels and building gender identities of their own.

Roberta Cordano is the first Deaf woman to lead Gallaudet University, the world's only liberal arts university for the deaf and hard of hearing.

"Dwell time" is the amount of time visitors spend wandering through a museum. In most museums, that's around two hours. But in the newest Smithsonian, some visitors are there for as long as six.