At the end of April, Dr. Yuval Sapir, director of the Botanic Garden, participated in the recording of new episodes for the radio show "The lab". This is a daily program broadcast by the "Kan Tarbut" station of Israeli radio, edited and moderated by Gill Markovitz. The four episodes in which Dr. Sapir participated focused on botanical and ecological topics, with an emphasis on the main research topics in Dr. Sapir's lab, which is situated in the Botanic Garden. Among the questions discussed in the show were: How is a species defined? How are species created? And, how does reproductive isolation keep them discrete? We will update you once these episodes air, and in the meantime invite you to listen to other scientific topics discussed daily in the show.