Zoos: We're talking bioluminescence! Rachel breaks it down for us: what it is, who's got it, why they use it. Caitlin tells us about the Femme Fatales of the Firefly world, the creepy way that firefly larvae eat, and how those pretty light displays are basically firefly sex orgies. Rachel destroys instagrammers' dreams everywhere by telling them those cool glowing tides are actually the quite dangerous Red Tide.
Brews: We use tonic water to make UV-Reactive cocktails, the Lightning Mike, the Blue Ghost, and the Glow Up.
News: Firefly Conservation and Research.