Ten years ago, two knowledgeable scientists took the matter seriously: Within fifty to a hundred years, a new class of organisms is likely to emerge.

Could one of your knowledgeable scientists please explain to me what categories acids fall into?

Unfortunately, few knowledgeable scientists take seriously this claim about minuscule Martians, and even some reports about planets orbiting other stars have been called into question.

"As long as no big mistakes are made, anybody with enough money can hire enough knowledgeable scientists and engineers" to keep up in the race, he said.

SENS does not compel the assent of many knowledgeable scientists; but neither is it demonstrably wrong".

"The Roh Tae Woo people in the party were upset," a knowledgeable political scientist said.

Preferably from a scientist a little more knowledgeable about quantum time paradoxes than I am.

I would expect no less of such a knowledgeable scientist.

Though respected as a knowledgeable scientist, he often appeared uncomfortable in his public role.

Timing became critical because Navy manpower required to move the ships was being released from active duty, and civilian scientists knowledgeable about atomic weapons were leaving federal employment for college teaching positions.