Dr. Denham and his collaborators also reported clues to a gradual emergence of agriculture there beginning around 10,000 years ago.

But research executives say that the rising cost of animal tests and the gradual emergence of scientifically accepted alternatives are also crucial driving forces.

All of the capacities could have evolved independently, but then obtained further impetus for change from the gradual emergence of language.

Eventually the recovery becomes incomplete and we can see the gradual emergence of chronic disease.

Australia from penal colony to its gradual emergence as a flourishing nation.

Once again, we are treated to an account of Lincoln's impoverished youth on the frontier and his gradual emergence as a respected lawyer.

But that's not taking into account what he does with his hands and face to show the gradual emergence of the baby's head.

Such success further facilitated their gradual emergence into the mainstream.

Even more so was the gradual emergence of the tutu as we know it, with its vestigial skirt barely skimming the upper thigh.

Turkmenistan's gradual emergence from isolation provides the EU with a crucial window of opportunity.