Science Friday 2021-04-16 Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email History Of Conservation, Right Whales Decline. April 16, 2021, Part 1 Understanding Caribbean Volcano Eruption, Billions Of T-Rexes, Pterosaur Necks, Lost Feasts. April 16, 2021, Part 2 Produced by Science Friday and WNYC Studios