In almost every river in the world, some 12,000 different species of caddisfly larvae wriggle and crawl through sediment, twigs, and rocks in an attempt to build temporary aquatic cocoons. To do this, the small, slow-moving creatures excrete silk from salivary glands near their mouths which they use like mortar to stick together almost every available material into a cozy tube. … [Read more...] about Artist Hubert Duprat Collaborates with Caddisfly Larvae as They Build Aquatic Cocoons from Gold and Pearls
jewelry
Iris Agate: A Gemstone with a Rainbow of Colors!
If you're a fan of colorful gemstones, you've probably heard of agate, a type of chalcedony that comes in a variety of colors and patterns. But have you heard of iris agate? This lesser-known variety of agate is a true gemstone treasure, with a stunning display of colors that resemble a rainbow. In this article, we'll take a closer look at iris agate, including its composition, … [Read more...] about Iris Agate: A Gemstone with a Rainbow of Colors!