To help us understand sunburns, we’re going deep into the skin to look at cells, molecules and electrons.

Trying to get rid of acne can feel like a science experiment with your face — so we get to the bottom of what works and what doesn’t.

So… you’re losing your hair. Is there anything that can be done about it?

Yale researcher and associate professor Dr. Valerie Horsley stops by California to chat with Alie about the nature of hair and why it grows in the wrong places, the causes and remedies for hair loss, the grossest museum ever, and why we love and hate and need our hair as animals.

Hair scientist Crystal Porter explains the science behind curly hair.