500-Million-Year-Old Worm Was an Undersea Architect
July 8, 2016
New York Times | July 7, 2016
Some 500 million years ago the ocean floor was covered in apartment complexes built by prehistoric worms. The slender, tubelike houses measured as tall as a foot-and-a-half and were filled with holes that their residents used to suck in water and feast on tiny particles, according to a University of Toronto study published this week. Read more.