Brie Van Dam:
Deep in Alaska, she endures – and even relishes – harsh conditions to research global warming
Virginia Smart Road:
In the countryside near Virginia Tech, a cutting-edge highway serves as a testing ground for vehicle technology.
First, he makes his mark developing high-speed electronic connectors, then he becomes a sustainable developer. Oh, and he also started a company to commercialize thin-film solar photovoltaics. He's busy.