Rice is just as nice as ice when it comes to bucket challenges. Right: Manju Latha Kalanidhi, creator of the Rice Bucket Challenge, gives grains to a hard-working neighbor.
Courtesy of Manju Latha Kalanidhi
Wheat fields like this one could yield wheat with less zinc and iron in the future if they are exposed to higher levels of CO2, according to the journal Nature.
Rice farmers in Thailand, the world's leading rice exporter, harvest their crop in 2008. When the rice crisis hit, Thai government officials started talking about setting up a cartel of rice exporters, similar to OPEC.