Science Friday 2022-12-23 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 Top Science Stories Of 2022, Beavers, Christmas Tree Care. Dec 23, 2022, Part 1 Glitter, Chestnuts, DNA Data Art, Mistletoe. Dec 23, 2022, Part 2 Produced by Science Friday and WNYC Studios