Top news for December 21, 2008

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A carbon-lite atmosphere could be a sign of water and life on other terrestrial planets, study finds

Innovation in Metalworking: Welding Metal Foam Without Melting Its Bubbles

Astronauts of the first Apollo crew, Apollo 7, had to wait until 2008 to be honored with the NASA Distinguished Service Medal. All other Apollo astronauts received the award almost four decades earlier. Apollo 7 was deemed to be a "101% success"

Revolutionizing Space: FASHI’s Record-Breaking Extragalactic HI Catalog via FAST

Oversized Ancient Galaxy Isn't What Astronomers First Thought

A ‘Holopoem’ for the Cosmos

Expert Traces The History of Time Thousands of Years Into The Past

Zoom through a 'spectacular' chain of ancient underwater volcanoes on Antarctic ocean floor

Jellyfish Can Regrow Their Tentacles, And We Finally Know How

Challenging Ecological Norms: Why “A Crab Is Never Just a Crab”