g ABODES - According to a new study, thousands of Tunguska-sized comet fragments may have struck the Earth 13,000 years ago, causing dramatic cooling in just one hour. The study points out how extraterrestrial events can cause catastrophic changes in the Earth's climate and biosphere. See article.
g MESSAGE - Book alert: In "Are We Alone in the Cosmos? The Search for Alien Contact in the New Millenium", edited by Byron Preiss and Ben Bova, major scientists involved in the Search for Extraterrestrial Intelligence, explain their work and reveal their thoughts. Joining them are some of the best speculative thinkers, from Arthur C. Clarke and Isaac Asimov to Gregory Benford, who address the major philosophical questions involved.
g COSMICUS - The NASA-funded ENDURANCE project has completed its second field season robotically exploring the waters of an ice-covered lake in Antarctica. Insight gained by the expedition will help scientists prepare for a future mission to Jupiter's moon Europa. See article.
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