Trilobites: In Ancient Guano, a Record of Penguin Disaster Guano in lake sediment showed that an Antarctic penguin colony was devastated three times during the past 7,000 years by volcanic eruptions. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:What in the World: Medicinal Herb or Myth? Indian Official Proposes Hunt for Sanjivani of LoreOp-Ed Columnist: Peres and the Passing of HopeReykjavik Briefly Swaps Its City Lights for Northern OnesRussia Rejects U.S. Demands for Resumption of Syria Cease-FireIndia Claims ‘Surgical Strikes’ in Pakistani-Controlled KashmirSinosphere: Chengguan, China’s Despised Officers, Find Refuge and a Sounding Board
