Acetic acid, the active compound in vinegar, is produced by bacteria fermenting ethanol in wine.

Time moves slower in stronger gravitational fields.

Fact #1753 · Science

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

Fact #993 · Science

The Müller-Lyer illusion makes lines of equal length appear different.

Fact #1464 · Science

Nothing can travel faster than light in a vacuum.

Fact #1777 · Science

Gorillas share over 95 percent of their DNA with humans.

Fact #1243 · Science

The earliest dinosaurs were relatively small.

Fact #731 · Science

The microscope revealed microorganisms.

Fact #1554 · Science

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

Fact #338 · Science