Octopuses have three hearts, blue blood, and nine brains

Vehicle registration plates of California

Blue whale's heart is the size of a small car

Your body has about 37.2 trillion cells

"Your body contains approximately 37.2 trillion cells, surpassing the Milky Way's stars."

Blood vessel

Corneas receive oxygen directly from the air; no blood supply

Chemistry: A Volatile History

52! ≈ 8 × 10^67 possible arrangements of a deck of cards

The Fibonacci sequence appears in sunflower seed patterns, pinecones, and galaxy spirals

Fibonacci sequence observed in sunflower seed spirals, pinecones, galaxy formations

List of animal names

A group of flamingos is called a 'flamboyance'