Artificial neural networks are inspired by, but not modeled closely on, biological neural networks in brains.

The Müller-Lyer illusion makes lines of equal length appear different.

Fact #1464 · Science

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

Fact #329 · Science

The Manhattan Project required enormous scientific collaboration.

Fact #1027 · Science

Pterosaurs were flying reptiles, not dinosaurs.

Fact #628 · Science

The stegosaurus had a brain about the size of a walnut.

Fact #627 · Science

The Ames room illusion distorts perceived size and distance.

Fact #1490 · Science

The largest dinosaurs were plant-eating sauropods.

Fact #685 · Science

Ants do not have lungs and breathe through small openings in their bodies.

Fact #351 · Science