People ... Genetic engineering of plants and animals as the greatest single technology that will feed the world.
You might not mind fur on blankets and bedspreads, but the next guest could be allergic to animals.
Like many children exhibiting aggressive behavior, Jack found it tough to talk about his feelings and how he coped with emotions.
The results of the experiments were ... and they will have to be done again.
Cutting down the old forests may anticipate global warming.