How effective are plastic bag bans? And a whole new way to do astronomy

First up on the podcast, the Vera C. Rubin Observatory is just coming online, and once fully operational, it will take a snapshot of the entire southern sky every 3 days. Producer Meagan Cantwell guides us through Staff Writer Daniel Clery’s trip to the site of the largest camera ever made for astronomy.   Next on the show, probing the impact of plastic bag regulations. Environmental economist Anna Papp joins host Sarah Crespi to discuss her work comparing litter collected by shore cleanup efforts before and after the onset of plastic bag bans.   In a sponsored segment from the Science/AAAS Custom Publishing Office, Erika Berg, senior editor of custom publishing, interviews professors Deepak Bhatt and Filip Swirski about advances in the science of heart health. This segment is sponsored by the Icahn School of Medicine at Mount Sinai.   This week’s episode was produced with help from Podigy. Authors: Sarah Crespi; Meagan Cantwell; Daniel Clery Learn more about your ad choices. Visit megaphone.fm/adchoices