Celebrate the first day of summer by learning how seashells form and what they can tell us Megan Kalomiris Not only is this regal murex seasnail shell stunning in appearance, but the stark contrast ...

You can see it in the logarithmic whorl of a nautilus. The milky iridescence of an abalone. The spiked turret of a queen conch. Precision, elegance, strength. The seashell is a consonance of form and ...