Sound travels four times faster through water than through air.

Light travels at approximately 299,792,458 meters per second in a vacuum.

Fact #21 · Science

The discovery of blood types improved transfusion safety.

Fact #1226 · Science

The introduction of antiseptic surgery reduced infection rates.

Fact #1202 · Science

There are more possible shuffles of a deck of cards than seconds since Earth formed.

Fact #1675 · Science

The Asch conformity experiment demonstrated the influence of group pressure.

Fact #1010 · Science

In 1954, a scientist allowed himself to be bitten by mosquitoes to study malaria transmission.

Fact #997 · Science

Dark matter is believed to make up most of the universe’s mass but has not been directly observed.

Fact #1594 · Science

Fossil discoveries continue to reshape scientific understanding.

Fact #752 · Science