Genetic Engineering

Elaine Thompson / AP Photo

AquAdvantage salmon were the first genetically engineered animal product meant for human consumption to be approved by the FDA. It combines the genetic material of Chinook and Atlantic salmon with eelpout to make it grow nearly twice as fast as its conventionally farmed counterparts.

A powerful new technique for changing genes in insects, animals and plants holds great promise, according to a report from an influential panel of scientists released Wednesday. But the group also says it's potentially very dangerous.