Thread:Comments:Japanese researchers create smell sensor using genetically engineered frog eggs/Comments from feedback form - "So what? Why would anyone give..."/reply (3)

And if say these frog eggs were to alert you that a can of nerve gas had been released on the floor below you, would you realize their purpose when your life was saved? The reason we're getting into biological sensors is because the artificial stuff just can't put out as well as the real deal.