Nathan Gael Montelongo, a seventh-grader from La Joya, Texas, created a project using chitosan. He collected discarded shellfish shells to produce chitosan powder and tested its effectiveness on polluted water. Studies showed that chitosan improved water clarity and benefited zebrafish embryos in experiments. Nathan designed a prototype raft that could automate water quality monitoring and treatment.

Engineers at RMIT University have discovered a groundbreaking method to recycle single-use face masks by integrating them into road construction. By blending shredded masks with recycled concrete aggregate, the researchers aim to enhance road materials while tackling the problem of mask waste. Their findings suggest that approximately 3 million masks could be utilized in constructing a one-kilometre, two-lane road.

Ankith Burki, a seventh-grader from BASIS Independent Silicon Valley, created an atmospheric water generator for his project. He utilized low-frequency sound waves to improve the efficiency of water collection. Testing revealed a 117 percent increase in water production under specific sound conditions. His work earned him a finalist position in the 2026 Thermo Fisher Scientific Junior Innovators Challenge.

Bailey Quinn Frank has created a groundbreaking air sampler designed to enhance health surveillance in rural areas. Utilizing basic materials such as fans and filters, this device collects airborne bacterial DNA. Findings revealed notable variations in bacterial composition between indoor and outdoor spaces. As a finalist in the Thermo Fisher Scientific Junior Innovators Challenge, Bailey exemplifies the use of practical tools in tackling public health issues.