It's time for the first Probably Science Holiday Gift Guide! While you're taking care of all your seasonal shopping needs there, you can enjoy this week's episode with former tennis pro and current comedy pro Michael Kosta, who joins the gang to talk about Matt turning into a real boy, being a good samaritan with a lost phone, the horror of found comedy notebooks, hippie journals, Michael and Andy's Ann Arbor roots, impending earthquakes, Jesse's survival kit, British army surplus stores, being the 864th best tennis player in the world, gender parity in the professional darts world, ridiculously fast tennis serves coming from women, the age-accelerating effects of milk, contagious yawning in wolves and Michael's Sports. Kosta. Basement. web series.