Game theory was formalized by John von Neumann and underpins economics, biology, and political science.

The door-in-the-face technique uses large requests to gain smaller agreements.

Fact #1502 · Science

Water is composed of two hydrogen atoms and one oxygen atom.

Fact #41 · Science

The Earth's inner core is primarily iron and nickel.

Fact #150 · Science

The discovery of anesthesia allowed painless surgical procedures.

Fact #1230 · Science

The extinction of the dinosaurs allowed mammals to diversify.

Fact #751 · Science

The Earth's mantle is composed of semi-solid rock.

Fact #329 · Science

The Cambrian explosion saw rapid diversification of life.

Fact #708 · Science

Learning involves changes in neural connections.

Fact #986 · Science