Professor Ian Graham is leading the team at York University which has discovered the key to mass-producing a chemical called Noscapine. It's extracted from poppies, and is currently being tested as a potential anti-cancer drug.
Researchers discovered a bundle of five genes which tell the poppy plant how to produce the chemical.
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The children on board were from Easingwold School and were travelling along roads affected by heavy rain and flooding after Christmas.
The Leeds boxer will find out tonight if she has won the coveted Sunday Times Sportswoman of the Year award.
The walls had been closed to the public at the weekend amid fears of a collapse.