Humans can detect the smell of rain, called petrichor, at concentrations as low as 5 parts per trillion.

The Human Genome Project mapped the entire human genetic sequence.

Fact #1018 · Science

There are more possible chess games than atoms.

Fact #1694 · Science

In 1953, Watson and Crick described the double-helix structure of DNA.

Fact #1022 · Science

The discovery of DNA’s structure occurred in 1953.

Fact #1199 · Science

Sound travels faster in solids than in air.

Fact #54 · Science

Antibiotics have saved millions of lives since their discovery.

Fact #1196 · Science

The human brain operates on about 20 watts of power.

Fact #1840 · Science

Particles can exist in multiple states until observed.

Fact #1817 · Science