Intermittent fasting works partly by increasing insulin sensitivity and promoting cellular cleanup (autophagy).

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

Fact #245 · Science

In 1924, a scientist attempted to transmit sound to plants to study their response.

Fact #993 · Science

The Ames room illusion distorts perceived size and distance.

Fact #1490 · Science

Lightning can heat the air it passes through to temperatures hotter than the surface of the Sun.

Fact #5 · Science

Lightning can travel from the ground up into clouds.

Fact #255 · Science

Some bacteria evolve resistance to antibiotics through natural selection.

Fact #866 · Science

Louis Pasteur advanced the understanding of germ theory.

Fact #1191 · Science

The Earth's outer core is liquid metal.

Fact #250 · Science