Living With Wildfire, 7,000 Steps A Day Okay, Kids’ Mars Questions. Sept 17, 2021, Part 1 Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Cal Fire firefighter looks onto the Dixie Fire on August 26, 2021. ( Cal Fire/flickr/CC BY-NC 2.0 ) Hosted by Umair Irfan Produced by Science Friday and WNYC Studios