Protest It, Respect It, Defend It, Use It (starts 1:00) Friday at Denver Patagonia and Saturday at Boulder Patagonia environmental activists Annie Leonard and André Carothers discuss their new book
Silent Sky (starts 2:00) Viva Theater celebrates the unsung heroism of female astronomer Henrietta Leavitt. Silent Sky runs April 22 – June 7th at Boulder’s Dairy Arts Center
Gold Lab Symposium (starts 6:26) Thursday and Friday, this all day health and science symposium shares dialogues with Nobel Prize Winners, Indigenous Knowledge Holders, Computational Scientists and more, at CU-Boulder’s Jennie Smoly Caruthers Biotechnology Building Register On Line. for live sessions or remote.
Executive Producer: Susan Moran
Show Producer: Shelley Schlender
Engineer: Abby O’Brien
Podcast: Play in new window | Download (Duration: 26:50 — 36.9MB)
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On this week’s How on Earth, Beth speaks with Suzanne Simard, 


How big is the universe – not just in the scale of distance but also the scale of time? What do those…astronomical…scales mean about us humans on Earth and how can we understand and measure such vast expanses? In this episode, our guest, astronomer and author