The report examines the take-up of maize that has had the gene for a natural insecticide produced by a bacterium called Bacillus thuringiensis, or Bt, engineered into it.

ECONOMIST: Genetic modification works

Bt cotton, named after a tiny bug, Bacillus thuringiensis, whose insect-fighting properties have been transferred (to several crops besides cotton) not to sell more herbicide, Roundup or any other, but to require less pesticide.

ECONOMIST: Non-food GM