Binaural beats — slightly different frequencies in each ear — produce a perceived beat and may affect brainwaves.

Lightning can heat air hotter than the surface of the Sun.

Fact #1727 · Science

The introduction of birth control pills transformed reproductive health.

Fact #1223 · Science

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

Fact #828 · Science

Particles can exist in multiple states until observed.

Fact #1770 · Science

Quantum particles can influence each other instantly across distance.

Fact #1797 · Science

The Earth's mantle is composed of semi-solid rock.

Fact #329 · Science

Heatwaves can pose serious risks to human health.

Fact #821 · Science

X-rays were discovered in 1895 and transformed medical imaging.

Fact #1194 · Science