Stuff I wrote elsewhere – on the zeitgeist of the world’s youth, including biofuels from wasted bananas and coconut sap:

The event offers a peek into the spirit of some of the world’s brightest youths. The young scientists frequently pick topics dear to their hearts and pursue them with a passion. They search for solutions to medical problems that afflict people they love, or tackle environmental problems in their communities.
    This year, creative attacks on the world’s energy problems are everywhere.