It is physically impossible to hum while holding your nose closed.

The Earth's atmosphere is composed mostly of nitrogen and oxygen.

Fact #80 · Science

The discovery of penicillin by Alexander Fleming revolutionized medicine.

Fact #1187 · Science

Louis Pasteur advanced the understanding of germ theory.

Fact #1191 · Science

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

Fact #1194 · Science

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

Fact #941 · Science

There are more possible shuffles of a deck of cards than seconds since Earth formed.

Fact #1675 · Science

The LIGO experiment detected gravitational waves predicted by Einstein.

Fact #1002 · Science

Fossilized footprints provide evidence of dinosaur behavior.

Fact #688 · Science