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News -03-03-06 Giant Crater Found (MSNBC News) "Scientists have discovered a huge crater in the Saharan desert, the largest one ever found there." 03-06 Editorial: Post-Dramatic Awards Syndrome (MSN Movies) Provides information on the 78th Annual Academy Awards from the Academy of Motion Picture Arts and Sciences. "In what might be called Post-Dramatic Awards Syndrome (because it most commonly applies to actors), the Academy seems to come to the collective realization that an oversight or injustice has been committed -- either just the year before, or for several years running -- and chooses to rectify it, usually by overcompensating in favor of whatever performer is deemed to have been slighted in the past." 03-06 Papers Chicxulub Crater (Space.com) "When a giant space rock slammed into Earth 65 million years ago near the present-day village of Chicxulub on the Yucatan Peninsula, not only did it wipe out a lot of dinosaurs, it left behind a huge crater and, inside that pock, an even bigger mystery." 03-06 Extinction Level Event (ArmageddonOnline.org) "An extinction event (also extinction-level event, ELE) is a period in time when a large number of species die out. The normal background rate of extinctions is about two to five families of marine invertebrates and vertebrates every million years. Since life began on Earth, this background extinction rate has been punctuated by seven major extinction events." 03-06 Extinction Level Event (National Geographic) "Scientists studying the fallout from a huge asteroid that crashed into Earth 65 million years ago have gained better understanding of the event that most likely took out the dinosaurs and much other life on the planet." "The asteroid that created the Chicxulub (pronounced CHEEK-shoo-loob) crater, located on the Yucatán Peninsula of Mexico, was probably more than 6 miles (10 kilometers) wide, researchers estimate. The resulting crater was 110 to 125 miles (180 to 200 kilometers) wide and very deep. Today it is buried under several miles of limestone and is mostly underwater." 4-05 Extinction Level Event (Wikipedia.org) "An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Based on the fossil record, the background rate of extinctions on Earth is about two to five taxonomic families of marine invertebrates and vertebrates every million years." "The classical 'Big Five' mass extinctions identified by Raup and Sepkoski (1982) are widely agreed upon as some of the most significant: End Ordovician, Late Devonian, End Permian, End Triassic, and End Cretaceous." 03-06

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