The message to investors, however, was clear: No one should expect a company of Dell's size to keep growing at 50 percent indefinitely.

The broader project is expected to grow and evolve indefinitely.

Do people really believe that both the population and the economy can grow indefinitely?

An important exception is cancer cells, which have learned to switch the gene on so as to grow indefinitely.

One worry is that they could grow indefinitely, becoming tumors.

However, this is not often used in practice, because it can make it possible for both species' populations to grow indefinitely.

And analysts expect that number to continue to grow indefinitely.

He added that he did not expect the shortfall to continue growing indefinitely.

A remarkable feature of the cells is that they can grow and multiply indefinitely.

Because the cells grow and divide indefinitely in the laboratory, very few blastocysts would be needed.