Metallic hydrogen, theorized to exist at extremely high pressures, could be a room-temperature superconductor.

Time moves slower in stronger gravitational fields.

Fact #1821 · Science

Lightning can travel from the ground up into clouds.

Fact #255 · Science

Many coins are made of precious metals such as gold and silver which makes their value higher than face value.

Fact #1672 · Science

Fossilized pollen helps scientists understand ancient ecosystems.

Fact #722 · Science

Electric currents generate magnetic fields.

Fact #93 · Science

The Harlow monkey experiments studied attachment and maternal bonding.

Fact #996 · Science

Insulin was first used to treat diabetes in the early 1920s.

Fact #1189 · Science

Lightning can heat the air it passes through to temperatures hotter than the surface of the Sun.

Fact #5 · Science