What Makes Something Not Funny?

Are there things that shouldn't be joked about? Is there a certain time after tragedy one needs to wait to get the most laughs possible?

TestTube Plus is built for enthusiastic science fans seeking out comprehensive conversations on the geeky topics they love. Host Trace Dominguez digs beyond the usual scope to deliver details, developments and opinions on advanced topics like AI, string theory and Mars exploration. TestTube Plus is also offered as an audio podcast on iTunes.