Humans can detect more than 10,000 unique scents, and smell is the sense most strongly linked to memory.

Some fish can learn by observing other fish.

Fact #1315 · Human Body

The learned helplessness theory explains passivity after repeated failure.

Fact #1495 · Human Body

Some snakes shed their skin multiple times a year.

Fact #485 · Human Body

Vaccines train the immune system to recognize pathogens.

Fact #64 · Human Body

Practice can strengthen neural pathways in the brain.

Fact #968 · Human Body

The human brain continues to develop into early adulthood.

Fact #83 · Human Body

Your brain predicts events before you consciously experience them.

Fact #1742 · Human Body

The Sumerians developed one of the earliest writing systems.

Fact #599 · Human Body