While exploring ancient seabeds in Morocco, scientists discovered strange wrinkle-like textures in deep-water sediments that shouldn’t have been there. These structures are usually made by sunlight-loving microbial mats in shallow waters. But the rocks formed far below the reach of light, suggesti ng a different explanation. Evidence points to chemosynthetic microbes—organisms powered by chemical reactions—creating the mats in the dark depths of an ancient ocean. ...read more read less