The peacock’s colorful feathers evolved through sexual selection.
Fact #882
More Science Facts
The Müller-Lyer illusion makes lines of equal length appear different.
Fact #1464 · Science
Some species of jellyfish are biologically immortal under certain conditions.
Fact #159 · Science
Stem cell research explores regenerative medicine.
Fact #1218 · Science
Antibiotics have saved millions of lives since their discovery.
Fact #1196 · Science
Energy and mass are interchangeable.
Fact #1847 · Science
Water is composed of two hydrogen atoms and one oxygen atom.
Fact #41 · Science
Fireflies produce light through a chemical reaction.
Fact #384 · Science
Fossils form when organisms are preserved in sediment over millions of years.
Fact #678 · Science
Want more facts?
We have over 11,491 facts across 15 categories.