The Maillard reaction between amino acids and sugars is responsible for the browning of bread, meat, and coffee.

The peacock’s colorful feathers evolved through sexual selection.

Fact #882 · Science

Volcanic eruptions can produce lightning within ash clouds.

Fact #844 · Science

Dark matter is believed to make up most of the universe’s mass but has not been directly observed.

Fact #1594 · Science

Learning involves changes in neural connections.

Fact #986 · Science

The Late Cretaceous period featured diverse dinosaur species.

Fact #720 · Science

The human brain operates on about 20 watts of power.

Fact #1744 · Science

The Thatcher illusion disrupts facial recognition when inverted.

Fact #1491 · Science

There are more possible chess games than atoms.

Fact #1694 · Science