The atoms in your body are mostly empty space.

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

Fact #1189 · Science

Time moves slower in stronger gravitational fields.

Fact #1753 · Science

Some bacteria evolve resistance to antibiotics through natural selection.

Fact #866 · Science

The use of antibiotics reduced deaths from bacterial infections.

Fact #1220 · Science

Nothing can travel faster than light in a vacuum.

Fact #1777 · Science

The Earth's atmosphere blocks much of the Sun's harmful radiation.

Fact #113 · Science

The Ames room illusion distorts perceived size and distance.

Fact #1490 · Science

Some bacteria can survive in extreme environments such as deep-sea vents.

Fact #257 · Science