Your atoms have likely been part of many other living things before you.

The Earth's outer core is liquid metal.

Fact #250 · Science

The Tyrannosaurus rex may have had excellent vision.

Fact #687 · Science

The Earth's inner core is solid despite extreme heat.

Fact #217 · Science

There are invisible colors humans cannot see.

Fact #1710 · Science

Atoms are made of protons, neutrons, and electrons.

Fact #60 · Science

Light travels at approximately 299,792,458 meters per second in a vacuum.

Fact #21 · Science

Some earthquakes are too small to be felt but are detected by instruments.

Fact #828 · Science

Positive reinforcement can strengthen certain behaviors.

Fact #964 · Science