Discovery of fossilized grains of 60,000 year old corn pollen 200 feet beneath Mexico City last year has definitely established that corn is a native of the Western Hemisphere and did not ...

Concerns that crops with built-in insecticides might damage wildlife were inflamed in 1999 by the report of a study suggesting that Bt corn pollen harmed monarch butterfly caterpillars.

The physical structure of corn plants — including the angle of leaves bending from the stem and the number of pollen-laden tassel branches — makes a big difference for yield.