Unless there is one master gene for yield, which I'm guessing there is not, engineering for yield will be very complex. It may happen eventually, but through the coming decades, we must assume that gene engineering will not be the answer to the world's food problems.

Plant diseases, drought, desolation, despair were recurrent catastrophes during the ages - and the ancient remedies: supplications to supernatural spirits or gods.

Man can and must prevent the tragedy of famine in the future instead of merely trying with pious regret to salvage the human wreckage of the famine, as he has so often done in the past.

As far as plants are concerned, they can't tell whether that nitrate ion comes from artificial chemicals or from decomposed organic matter.

Whether it was his ability to turn around the Massachusetts economy or turn around businesses in the private sector, Mitt Romney has demonstrated the leadership that we need in the White House to get the country on the right track.

Traveloka is the clear online travel leader in Indonesia and is expanding aggressively throughout Southeast Asia.

I've always been about the power of a woman - accentuating the positive, deleting the negative, whether you're talking her body, her voice or her leadership.

The art of communication is the language of leadership.