The longest hiccup attack on record lasted 68 years, suffered by Charles Osborne of Iowa.

The Thirty Years’ War affected much of Central Europe.

Fact #1171 · Human Body

A grizzly bear can run surprisingly fast over short distances.

Fact #492 · Human Body

Some birds have hollow bones to reduce body weight for flight.

Fact #889 · Human Body

The pacemaker regulates irregular heartbeats.

Fact #1581 · Human Body

Some insects have compound eyes made of many lenses.

Fact #513 · Human Body

A polar bear's fur is actually transparent.

Fact #391 · Human Body

The primacy effect describes better recall of early information in a sequence.

Fact #1477 · Human Body

Your brain creates reality.

Fact #1722 · Human Body