These are scientific frontiers.

The first, a scientific frontier and low gravity manufacturing facility, was completed in 2002.

These scientific frontiers form an interlocking framework that addresses fundamental questions about the laws of nature and the cosmos.

When the atom was split, I thought we had crossed the last scientific frontier.

But writing about advances on this particular scientific frontier is problematic.

By the end of the war Wegener had published almost 20 additional meteorological and geophysical papers in which he repeatedly embarked for new scientific frontiers.

It's a scientific frontier.

I think it still shocks mummy that I'm out here on the scientific frontier.

For Helen O. Petrauskas, vice president for environmental and safety engineering at the Ford Motor Company, auto emissions present a whole new scientific frontier.

Not because the huge project was the most important research on today's scientific frontiers - it clearly wasn't.