Mastodawn

💎👁️ Imagine seeing the world through eyes made of...stone?

Scientists studying #trilobites from hundreds of millions of years ago found that these ancient marine #animals used lenses made of solid calcite #crystal to navigate the #ocean floor.

👉 https://www.forbes.com/sites/scotttravers/2026/03/04/a-biologist-explains-what-the-first-eyes-on-earth-could-see-hint-they-were-made-of-crystal/

#science #evolution #paleontology #biology #history #nature #prehistoric

A Biologist Explains What The First Eyes On Earth Could See. Hint: They Were Made Of Crystal

Half a billion years ago, the first true eye emerged in Earth’s oceans. Fossils now reveal what that ancient crystal vision could actually see.

Forbes