Who could our Mission Transmission message reach? And how long does it take to get to the nearest star? Greg Brown, astronomer from the Royal Observatory answers these questions and more about what is closest to us in the universe in this week's Science Weekly podcast. We catch up with Sidney McSprocket who wants to hear what YOU would put in a great exhibition! Ever thought an anchovy could be scary? You might change your mind after hearing this weeks Dangerous Dan, its on one of the anchovy's ancient relatives. In Kareena's Chemistry, Kareena teaches us how we can save electricity and protect the environment at home. Plus in Science in the News, we hear an update on the amazing James Webb Telescope!