Sentence examples for before scientists from inspiring English sources

This system was created in the 1700s, long before scientists understood that life evolves.

It was several decades before scientists thought of designing systems that could work anywhere.

It took five years' study before scientists found how to extract clean data from it.

"Before, scientists wanted to measure gravity one time, and be done with it," Dr. Tapley said.

Yet long before scientists discovered chaos theory, musicians found a disturbing discrepancy in the Pythagorean system.

Conway emphasises that far more work is needed before scientists can be sure what is happening.

But significant hurdles remain before scientists will be ready to test pig organs in people.

There were rumours of giant squid in the ocean for a long time before scientists actually documented one.

And it will be some time before scientists can paint an accurate picture of the ecological damage.

But many more tests will be needed before scientists know if drugs can be developed to help people live longer.

But frogs worldwide are in an accelerating decline, with some species disappearing even before scientists can document their existence.