1 rich Libsyn https://www.libsyn.com 90 600 Evergreen trees keep their green leaves all year long. What benefits and challenges do they experience as a result? Kristen discusses this topic and wraps up 2019, the Year of the Periodic Table. Happy holidays! &amp;nbsp; Episode References and Resources Why do evergreens stay green in the winter? Article written by a Biology professor: https://theconversation.com/why-dont-evergreens-change-color-and-drop-their-leaves-every-fall-123744 Even evergreens take a break from photosynthesis in the winter: “Photoprotective Strategies of Overwintering Evergreens” https://academic.oup.com/bioscience/article/54/1/41/234579 How non-evergreen trees lose their leaves in the winter: https://www.childrensmuseum.org/blog/why-do-leaves-fall-off-trees &amp;nbsp; BONUS LINKS! Happy birthday (sesquicentennial) to the periodic table! Periodic Table song: https://youtu.be/rz4Dd1I_fX0 https://iypt2019.org/ https://www.rsc.org/iypt/ https://www.rsc.org/periodic-table http://www.unesco.org/new/en/brasilia/about-this-office/prizes-and-celebrations/2019-international-year-of-the-periodic-table-of-chemical-elements/ https://www.acs.org/content/acs/en/education/whatischemistry/periodictable.html https://www.sciencenews.org/article/periodic-table-history-chemical-elements-150-anniversary &amp;nbsp; Connect - Leave comments, suggest topics, and ask science questions! Website: earlybirdscience.com Twitter: @EarlyBirdSci Instagram: @EarlyBirdScience Facebook: @EarlyBirdScience Early Bird Science https://www.earlybirdscience.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/12440042/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/60201713