Isabella, Life Sciences, Brazil: 2025 Breakthrough Junior Challenge. The breakthroughjuniorchallenge.org is an annual competition for students, ages 13-18, to share their passion for math and science with the world! Each student submits a video that explains a challenging and important concept or theory in mathematics, life sciences, or physics. The winner receives a $250,000 college scholarship. The winning student's teacher and school also benefit: $50,000 for the teacher and a state-of-the-ar