Hosted by Dr. Jacinta Delhaize & Dr. Daniel Cunnama. Today we are re-running Episode 11 from all the way back in Season 1! Jacinta takes us on a tour of her homeland, into the Australian bush, and chats about pathfinders, precursors and the exciting collaborations between South Africa and Australia!   First, we hear from Dr. Ivy Wong, a researcher at the International Centre for Radio Astronomy Research (ICRAR) in Perth, about large surveys of neutral hydrogen gas in galaxies and the results shared at the 12th PHISCC (Pathfinders HI Science Coordination Committee) Conference. Neutral Hydrogen atoms produce radio emission at a wavelength of 21cm or a frequency of 1420 MHz. This emission is commonly referred to as HI and it is the raw fuel of star formation.   We are then joined by newly capped Dr. Brenda Namumba from the University of Cape Town. She tells us about her exciting work using the pathfinder to MeerKAT, the KAT-7 telescope.   Finally, Jacinta sits down with Professor Peter Quinn, the Director of ICRAR. They chat about the the incredible growth of radio astronomy in both South Africa and Australia over the recent years, and the enormous collaboration opportunities the SKA is creating between the two countries!   We've added a new way to donate to 365 Days of Astronomy to support editing, hosting, and production costs.  Just visit: https://www.patreon.com/365DaysOfAstronomy and donate as much as you can! Share the podcast with your friends and send the Patreon link to them too!  Every bit helps! Thank you! ------------------------------------ Do go visit http://www.redbubble.com/people/CosmoQuestX/shop for cool Astronomy Cast and CosmoQuest t-shirts, coffee mugs and other awesomeness! http://cosmoquest.org/Donate This show is made possible through your donations.  Thank you! (Haven't donated? It's not too late! Just click!) ------------------------------------ The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu Visit us on the web at 365DaysOfAstronomy.org or email us at info@365DaysOfAstronomy.org.