Is there a natural control, and can you tell me where I might find it?

But why the long lapse of scientific attention and research follow-through on a potential natural control?

But again, why this long, costly detour around natural controls?

Will we vigorously research these possible natural controls and promptly introduce them in this country, if found?

But in Korean it would be "out of natural control and an intrusion upon grace."

The problem was not creating the doorway, but limiting its size, for this process, once begun, had no natural controls.

She found the fungus had a virus - a natural biological control.

"Every species needs natural controls, and humans have lacked one far too long."

"Right now, we have a monkey population that has exploded because there are no natural controls," he said.

"We stopped spraying, and the pests came under natural control," he says.