Complete Nutrition Guide: Superfoods, Keto & Metabolic Health

Nutritional planning involves balancing macronutrients, understanding calorie formulas, and identifying the functional properties of whole foods to manage weight and chronic conditions effectively.

Vitamins and Supplements

Calcium Carbonate and Seashells

Published Sep,02 2011 | By Ethan Shaw

The ornate shells of marine organisms like mollusks are remarkable on any number of levels, not least in the intricate coloration they often exhibit.

Ethan Shaw is a writer and naturalist living in Oregon. He has written extensively on outdoor recreation, ecology and earth science for outlets such as Backpacker Magazine, the Bureau of Land Management and Atlas Obscura. Shaw holds a Bachelor of Science in wildlife ecology and a graduate certificate in geographic information systems from the University of Wisconsin.