The mathematical constant tau (τ = 2π) is championed as more natural for describing circular geometry.

The Earth's tilt is responsible for seasonal climate patterns.

Fact #222 · Science

The Earth's atmosphere becomes colder in the stratosphere before warming again.

Fact #227 · Science

The discovery of anesthesia allowed painless surgical procedures.

Fact #1230 · Science

The smallpox vaccine led to the global eradication of smallpox.

Fact #1197 · Science

The peacock’s colorful feathers evolved through sexual selection.

Fact #882 · Science

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

Fact #1194 · Science

The Stanford marshmallow experiment studied delayed gratification.

Fact #1494 · Science

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

Fact #1189 · Science