ScienceDaily: 'Termite Guts Can Save The Planet,' Says Nobel Laureate: "Chu, who shared the Nobel Prize for Physics in 1997, has begun studying termite guts -- one place in nature where a key hurdle for carbon-neutral energy supply has already been solved. Termite guts take indigestible cellulose, which makes up the bulk of all plant material grown on earth, and convert it to ethanol, which even today is a versatile and popular fuel. "