Several major scientific discoveries have also taken place at Penn.

Three major discoveries in the 20th century even took on their names.

Another major discovery occurred while he was walking down a street.

His unusual choices paid off quickly in a major discovery.

The sight has the effect of being a major discovery.

This, he says, is what led to all of his major discoveries so far.

Young's party had already returned to the ship without major discoveries.

Some scientists put all this new information from many people together into a major discovery.

The next major discovery, he believes, will come in Spain.

"Did he seriously think you would just fold up and cut him in on a major discovery?"