How Ancient Pollen Can Predict The Future

We don t need a time machine to learn from the past (but let us know if you find one) Air bubbles trapped in ice for millennia and ancient pollen grains can tell us a lot about climate shifts hundreds of thousands of years ago We re conducting a survey of our viewers If you have time, please give us feedback: Hosted by: Olivia Gordon Support SciShow by becoming a patron on Patreon: Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D. A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark TerrioCameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Images: