Prehistoric sea cow fossils show it was dinner for a crocodile and a shark - Earth.com



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This Chemistry Breakthrough Might Change Everything From Medicine to Farming - SciTechDaily
Moon Meets Mars In Rare Conjunction Tonight - The Weather Channel

ESA Publishes Call for Reusable Rocket with 60-Tonne Payload Capacity - European Spaceflight
The case for a continuous human presence in space - SpaceNews