This year's May Day party/protest attracted 200,000 people to Kreuzberg 36, including 10,000 demonstrators and 5,000 police. But there were hardly any public toilets outside the official Myfest area. Where people supposed to pee? Holding the door open on the S-Bahn can be injurious to your body and wallet. A young man was dragged 50 metres along the Brandenburger Tor train platform after sticking his hand in a closing door. He could also be fined or jailed. A medical research project has applied to distribute marijuana to 25,000 Berliners to test its effects. The Forschungsinitiative Cannabis would give 30 grams of weed a month to each participant. Smokers ignorant about data privacy can register online. But the study probably won't happen since its chief scientist recently quit as the study wasn't scientific enough. This episode was presented by Jöran Mandik and Daniel Stern, and brought to you by RadioEins.