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

DNA carries genetic information in living organisms.

Fact #37 · Science

Vaccination campaigns have eliminated several diseases in many regions.

Fact #1224 · Science

The human brain generates enough electrical activity to power a small light bulb.

Fact #151 · Science

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

Fact #1675 · Science

Time moves slower in stronger gravitational fields.

Fact #1821 · Science

Energy and mass are interchangeable.

Fact #1762 · Science

Time moves slower in stronger gravitational fields.

Fact #1755 · Science

Time moves more slowly in stronger gravitational fields.

Fact #1618 · Science