NPR science podcast Short Wave brings us the stories of how Fiddler crabs drum their mating songs into the sand, growing chicken nuggets in the lab, and a drug like LSD — without the trip. It's time ...

Documentary about the potentially dangerous and unpredictable drug LSD. Various experts discuss how LSD is made and the hazards involved in using it while avid users explain why they enjoy taking it.

It's time now for our science news roundup from Short Wave, NPR's science podcast. I'm joined by two people from the show, Rachel Carlson and Emily Kwong. Hey to both of you. EMILY KWONG, BYLINE: Hi.