Past promises of cheap fuel grown on American soil have sometimes become, umm, stuck in the weeds as prices for commodities like corn and soybean oil rose. But a number of researchers now believe that this winter weed with oily little seeds has an advantage in that it is not a food crop. Read more »
Scientists at the European Space Agency are preparing for the first fly-by of an asteroid by their deep-space explorer, Rosetta, on a mission to solve the mystery of the birth of the solar system. Read more »
