The COVID-19 mRNA vaccines were the fastest vaccines ever developed — building on decades of prior mRNA research.

There are invisible particles everywhere.

Fact #1724 · Science

The human brain can process visual information in as little as 13 milliseconds.

Fact #941 · Science

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

Fact #217 · Science

There are invisible colors humans cannot see.

Fact #1710 · Science

Nothing can travel faster than light in a vacuum.

Fact #1834 · Science

Heatwaves can pose serious risks to human health.

Fact #821 · Science

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

Fact #329 · Science

Lightning can travel from the ground up into clouds.

Fact #255 · Science