<p>The Breakthrough Junior Challenge is an annual, global science video competition for high school students, founded in 2015 by Julia and Yuri Milner and run by the Breakthrough Prize Foundation. Participants create an original video of up to 90 seconds explaining a challenging concept in Life Sciences, Physics, or Mathematics — the Life Sciences category in particular appeals to students considering medicine or biology.</p><ul><li>Eligibility: individual students aged 13–18 worldwide</li><li>Format: short-form science explainer video (up to 90 seconds) on a self-chosen concept</li><li>Group submissions are not eligible — each entry must be the work of one individual</li><li>Grand prizes: US$250,000 post-secondary scholarship for the winner, US$50,000 prize for their teacher, and a US$100,000 Breakthrough Science Lab for their school</li><li>Process: open entry window, peer-to-peer review round, then judging by a Selection Committee with a popular-vote element</li></ul><p>The 2026 edition launches in May 2026; check the Breakthrough Junior Challenge site for the official entry form, deadline, and updated rules.</p>