Nick Gligor returns to chat with us about Psilocybin trials for depression, a neuron to control sleep and the probability that tiny robotic insects are everywhere. Robo-Bees! http://wyss.harvard.edu/viewpage/428/ Insect Bots get a new landing pad. https://www.sciencenews.org/article/insect-sized-bot-first-both-fly-land Fruit Fly neurons control sleep. https://www.sciencedaily.com/releases/2016/05/160519130131.htm Eat your shrooms, young man, your mental health depends on it! http://www.scientificamerican.com/article/magic-mushroom-drug-lifts-depression-in-human-trial1/