For years scientists have wondered how far they can push the limits of computation.

But scientists have long wondered what the wishbone's role was in birds.

For some time, scientists have wondered how on earth these microbes do it.

The scientists wondered how they could share the sights.

What could account for this difference, the scientists wondered, between the two groups of closely related creatures?

But scientists wonder if it can be used along with other anti cancer medication.

Years later, scientists still wonder what their collaboration might have produced, had they continued to work together.

That leaves the scientists wondering exactly what is going on.

But, scientists have long wondered, how quickly can reproductive isolation evolve?

Like the rest of us, scientists have long wondered why, exactly, children must become teen-agers.