Gallium melts in the palm of your hand at just 85.6°F (29.8°C).

There are more possible chess games than atoms.

Fact #1694 · Science

The Earth's atmosphere becomes colder in the stratosphere before warming again.

Fact #227 · Science

The door-in-the-face technique uses large requests to gain smaller agreements.

Fact #1502 · Science

The human brain operates on about 20 watts of power.

Fact #1795 · Science

Heatwaves can pose serious risks to human health.

Fact #821 · Science

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

Fact #5 · Science

Particles can exist in multiple states until observed.

Fact #1817 · Science

Stem cell research explores regenerative medicine.

Fact #1218 · Science