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:25 States Are at Risk of Serious Flooding This Spring, U.S. Forecast SaysNorthern lights to be visible in the UK THIS WEEKEND as massive solar storm strikesNASA asteroid tracker: An asteroid will pass closer than the Moon TONIGHT at 12,000MPHDeer Park in Texas Orders Residents to Shelter Indoors After Chemical FireTrilobites: DNA Clues to an Ancient Canary Islands VoyagePlanet Nine SHOCK: Astronomer explains effect mystery Planet 9 has on entire solar system
