Napier's bones, invented in 1617, were physical rods used for multiplication before calculators.

The longest winning streak in professional sports can span years.

Fact #940 · Human Body

Fossils form when organisms are preserved in sediment over millions of years.

Fact #678 · Human Body

Insulin was first used to treat diabetes in the early 1920s.

Fact #1189 · Human Body

The human brain contains roughly 86 billion neurons.

Fact #8 · Human Body

The Earth is about 4.5 billion years old.

Fact #172 · Human Body

Some animals can regenerate entire body parts.

Fact #1743 · Human Body

Multitasking often reduces overall task performance.

Fact #950 · Human Body

Certain fish can inflate their bodies to appear larger.

Fact #554 · Human Body