Why Seashells Are So Cool

They’re all perfect.

Your average univalve seashell, like Mexico’s Eastern Pacific fighting conches, augers, turbans, murex, spindles, moon shells and cones pictured here, forms a geometrically-proportioned, logarithmic spiral. Just like spiral galaxies, typhoons, and even cauliflowers are formed: http://antwrp.gsfc.nasa.gov/apod/astropix.html

m