News tagged with calcium carbonate

Mechanism for Burgess Shale-type preservation

The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...

Mar 07, 2012 5 / 5 (2) 1

Sea cucumbers: Dissolving coral reefs?

Coral reefs are extremely diverse ecosystems that support enormous biodiversity. But they are at risk. Carbon dioxide emissions are acidifying the ocean, threatening reefs and other marine organisms. New research led by Carnegie's ...

Dec 22, 2011 5 / 5 (1) 0 | with audio podcast