Also known as Sci Fri, this popular American science podcast and radio programme has covered all aspects of science since 1991. One of the first US radio science talk shows, the programme has over the years featured such names as Carl Sagan, Jane Goodall, Sylvia Earle and Oliver Sacks and has a reputation for groundbreaking and original science reporting. According to the site, the show’s founder and executive producer Ira Flatow was the first person to use the word ‘podcast’ on the airwaves. Archives go back as far as 2004 but there is also a substantial amount of video content. A section of the attractively laid out website features a range of educational resources, mainly aimed at primary and secondary school level.