Learn more at -- Within the periodic table loom many potential hazardous elements. Some elements are dangerous due to their toxicity. Others are dangerous because of how they respond, react, or even explode in the outside environment. And perhaps the most threatening elements are those that silently emit energy. So, which substances on the periodic table are the most dangerous? Shannon Odell investigates. Lesson by Shannon Odell, directed by Anton Bogaty. This video made possible in collaboration with Brilliant Learn more about how TED-Ed partnerships work: Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: Check out our merch: ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: Follow us on Facebook: Find us on Twitter: Peep us on Instagram: ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: Dig deeper with additional resources: Animator's website: ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, Aaron Henson, Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango, alessandra tasso, Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Jose Henrique Leopoldo e Silva, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, Devin Harris, Pavel Zalevskiy, Karen Goepen-Wee, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Ka-Hei Law and Hiroshi Uchiyama.
Hide player controls
Hide resume playing