ATLANTA— More than 1,500 young scientists from 51 countries, regions and territories flexed their mental muscles in Atlanta May 12–16 at an event of Olympic proportions. Three students took home the gold.
All together, $4 million in scholarships, tuition grants and scientific trips and equipment were at stake at the Intel International Science and Engineering Fair, the world's largest high-school science competition.
The top three students won $50,000 scholarships from the Intel Foundation.
Natalie Saranga Omattage of Cleveland, Miss., won for developing a quick and efficient method to screen food for additives and contaminants. Her biosensors were based on the quartz crystal microbalance, which involves instruments that are portable, relatively inexpensive and easy to use.
Sana Raoof of Muttontown, N.Y., won for her research into the Alexander-Conway polynomial invariant for chord diagrams, work that