"3" Result
Sort By:
Is it possible to feed those who now are hungry in the world in addition to the billions of people who will be born by the end of the century? Or are we headed for an inevitable Malthusian catastrophe because the task is impossible? What can developing countries do to increase a…
Perhaps less than 10 percent of the world's sheep have hair coats instead of wool fleeces, but as an animal resource, these sheep are important far out of proportion to their numbers. Hair coats provide an advantage in the face of the heat, humidity, and other stresses of the tr…