There are more possible ways to shuffle a deck of cards than seconds since the Big Bang.

The Earth's interior is layered into crust, mantle, and core.

Fact #338 · Science

Lightning can travel from the ground up into clouds.

Fact #255 · Science

Sound travels faster in solids than in air.

Fact #54 · Science

Vaccination campaigns have eliminated several diseases in many regions.

Fact #1224 · Science

In 1938, Otto Hahn's work led to the discovery of nuclear fission.

Fact #1015 · Science

Time moves slower in stronger gravitational fields.

Fact #1753 · Science

Particles can exist in multiple states until observed.

Fact #1817 · Science

X-rays were discovered in 1895 and transformed medical imaging.

Fact #1194 · Science