 And more thanks to Go Around. Deep Time is a special series produced with help from our friends at the Center for Humans and Nature and with generous support from the Calliopeia Foundation. You'll find more information and more Deep Time episodes on our website at ttbook.org slash deeptime. To the Best of Our Knowledge is produced at Wisconsin Public Radio by Charles Monroe Cain, Shannon Henry Kleiber, Mark Rickers, and Angela Bautista.