Superconductors, when cooled below a critical temperature, conduct electricity with zero resistance.

There are invisible colors humans cannot see.

Fact #1710 · Science

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

Fact #1594 · Science

Time moves slower in stronger gravitational fields.

Fact #1753 · Science

The Earth's atmosphere scatters blue light, making the sky appear blue.

Fact #245 · Science

Electricity involves the movement of charged particles.

Fact #29 · Science

Volcanic eruptions can release ash clouds that disrupt air travel.

Fact #811 · Science

Fossilized footprints provide evidence of dinosaur behavior.

Fact #688 · Science

The Thatcher illusion disrupts facial recognition when inverted.

Fact #1491 · Science