See, these are totally different worlds.

YR No, that's really two worlds.

(Laughter) YR No, that's really two worlds.

And once again, two scientists have got a problem with noise.

Let me tell you a story about two scientists, two English scientists.

A couple of researchers asked a few hundred people to read a scientific article.

Two scientists at University of illinois understood this when they published a paper on a simpler method for making conductive ink.

They're world class athletes, and they also are world class forest ecology scientists.

Our 13 small countries have a common history, with a modern history beginning in 1492, when two worlds collided.

Steve Sillett and Marie Antoine are the principal explorers of the Redwood forest canopy. They're world class athletes, and they also are world class forest ecology scientists.

Fast forward to the 1800s, where two German scientists discovered something that today we might find rather obvious, but helped tie together what we now know as the cell theory.

The chemical defense of this species was first studied by Thomas Eisner and Jerrold Meinwald (two scientists at Cornell University who helped found the field of chemical ecology).