This evolutionary leap forward may be the key to understanding what happened.

Now, the next evolutionary leap in mobile music has arrived: Apple's iPod.

An erroneous evolutionary leap in humankind is another.

The evolutionary leap that birthed the vertebrates took place during the Cambrian period around 500 million years ago.

Bulthaup say it has made an evolutionary leap in kitchen construction with this new "b3" line.

Is opera overdue an evolutionary leap?

And it would require a huge evolutionary leap for toxoplasma to do to humans what it does to rats.

It was hoped thus to find some hint of the direction in which the new evolutionary leap should take place.

At first glance, the proposition that human civilisation imitates the behaviour of slime mould is preposterous, an evolutionary leap backwards.

Getting business software to take its next evolutionary leap turns out to be a tough problem, and the solutions remain embryonic.

The fruits of this evolutionary leap would take thousands of years to ripen, and there was no telling where it might lead.

Maybe it was the ice itself that drove the evolutionary leap, says Richard Boyle of the University of Southern Denmark in Odense.

Like the slow, step-by-step development of complex organs such as an eye, the evolutionary leap to bipedalism looked more like an awkward stumble.

Their scales precede the evolutionary leap of feathers, the softened forms of their reptilian skin, and they grow by repeatedly shedding their skins.

Ambulocetus The evolutionary leap from land to marine mammals was a problem for Darwin, but Ambulocetus gave a snapshot of the process in action.

There has to be these evolutionary leaps in what is acceptable.