Having passed the point of full scale clay models, Chevrolet stopped developing the model in early 1968.

In some cases, the fruit body stops developing at the cup stage while the hymenium continues to mature.

"There's nothing we've seen there that would say we should stop developing this molecule," he said.

"When we find that Christian adults often seem to stop learning and developing in their faith, one must ask why."

Their eggs, however, stop developing for a time.

But the brain doesn't stop developing at age 4.

Until 15 years ago, scientists thought the brain stopped developing after childhood.

The eastern projects stopped developing when they reached the fences of the Tzrifin military base.

Soon after this, however, Aaron stopped developing the project and it was abandoned.

Developmental delay is evident by the end of the first year, and patients usually stop developing between ages 2 and 4.