Young scientific innovators earned massive recognition and substantial cash prizes at the recently concluded 2025 Eskom Expo International Science Fair, with top winners demonstrating exceptional research capabilities in fields ranging from advanced mathematics to sustainable agriculture. The international competition, organized by Eskom, brought together brilliant young minds from seven countries to showcase groundbreaking projects addressing real-world challenges.
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International Recognition for Young Scientists
The 2025 Eskom Expo International Science Fair, held at the Convention Centre at Emperors Palace in Kempton Park from October 6-10, featured participants from South Africa, Lesotho, Namibia, Zimbabwe, Ireland, India, and Russia. The event highlighted how young researchers are tackling global issues through scientific innovation, with judging panels emphasizing both technical excellence and practical applications. According to recent analysis of scientific achievement trends, such international competitions are increasingly important for identifying future STEM leaders.
Top Senior Scientist: Mathematical Breakthrough in Medical Imaging
Christopher May from Otto du Plessis High School in Gqeberha (formerly Port Elizabeth) claimed the Top Senior Scientist title and R100,000 prize for his project “Differential Geometric Modelling of Sound Signals and Ultrasound Imaging.” The Grade 12 student developed a novel method using differential geometry to analyze sound properties, creating geometric models of sound waves and applying differentiation techniques to enhance ultrasound imaging capabilities.
May’s research demonstrated significant improvements in medical imaging quality, particularly in visualizing subtle edges and anatomical textures. Chief Judges noted his exceptional grasp of complex mathematical concepts and the practical healthcare applications of his work. Industry experts note that such innovations align with broader trends in medical technology advancement.
Top Junior Scientist: Natural Solution to Food Preservation
Khushi Lall from Tyger Valley College earned the Top Junior Scientist honor and R75,000 prize for her project “Garlic: Nature’s Secret to Food Preservation.” The Grade 9 researcher addressed the global challenge of microbial resistance in food preservation through investigating garlic’s natural antimicrobial properties. Her project demonstrated remarkable laboratory precision and understanding of bacteria like Staphylococcus aureus.
- Addresses global food waste challenges
- Utilizes natural antimicrobial properties
- Demonstrates cost-effective preservation method
The Chief Judges highlighted Lall’s scientific investigative skills and logical reasoning as exceptional for her age. Additional coverage of scientific innovations shows increasing interest in natural preservation methods within the food industry.
Top Development School: Sustainable Agriculture Innovation
Lethabo Kgwete from Moleshatlou Secondary School received the Top Development School award and R75,000 for developing “Livestock Green Compost Tea,” an affordable, eco-friendly fertilizer alternative. The Grade 11 student created the nutrient-rich compost by steeping fruit peels, dry grass, leaf litter, water, wood ash, eggshells, and other organic materials, addressing the fertilizer access challenges faced by small-scale rural farmers.
Kgwete’s research focused on the effect of compost on crop yield, developing a practical solution that reduces dependence on chemical fertilizers. Related analysis of agricultural trends indicates growing demand for sustainable farming solutions, particularly in developing regions. Data from agricultural technology sectors shows increased investment in organic alternatives to synthetic products.
Future Impact of Young Scientific Talent
The Eskom Expo International Science Fair continues to identify and nurture exceptional scientific talent, with the 2025 winners demonstrating how young innovators can address pressing global challenges. From enhanced medical imaging to sustainable food solutions, these projects showcase the practical applications of student research. As industry experts note, early identification and support of scientific talent is crucial for long-term technological advancement and economic growth.
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The substantial cash prizes represent significant investment in developing the next generation of scientists and researchers. With projects spanning mathematics, healthcare, food security, and sustainable agriculture, the 2025 fair highlights the diverse ways young minds are contributing to scientific progress and addressing real-world problems through innovative thinking and rigorous research methodologies.
