We discussed the large-scale structure of the Universe and how we can understand it from observations of the Cosmic Microwave Background emission, the relic light from the formation of the Universe. Guest: Kendrick Smith Hosts: Robert Archibald and Gabrielle Simard Duration: 13 minutes Production: James O’Callaghan

This year's Trottier Symposium narrows in on the topics of the origin of life on Earth as well as the possibilities of extraterrestrial life. The third speaker is Dr. Sara Seager (MIT) who was named in Time Magazine's 25 Most Influential in Space in 2012. [flashvideo file="http://podcasts.mcgill.ca/pods/scienceandtechnology/P140728_Trottier_Symp_pt3.mp4" height=344 image="http://podcasts.mcgill.ca/files/2014/12/Trottier_symp.jpg" /]

We discussed galaxy clusters, the growth of large scale structure in the Universe, and Marc’s work on the MUSTANG 2 detector at the Green Bank Telescope. Guest: Marc Delvin (U. of Pennsynvania) Hosts: Sebastien Guillot and Robert Archibald Duration: 24 minutes Production: James O’Callaghan