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The Oldest Star in the Known Universe
Topic: Cosmic Evolution
Summary: A team led by astronomers at The Australian National University has discovered the oldest known star in the Universe, which formed shortly after the Big Bang 13.7 billion years ago.

New Maps Reveal Locations of Species at Risk as Climate Changes
Topic: Biosphere
Summary: An international team of scientists has produced global maps showing how fast and in which direction local climates have shifted.

Mars Rover Heads Uphill After Solving 'Doughnut' Riddle
Topic: Mars
Summary: The martian rock resembling a jelly doughnut, dubbed Pinnacle Island, is a piece of a larger rock broken and moved by the wheel of NASA's Mars Exploration Rover Opportunity in early January.

An Extinction in the Blink of an Eye
Topic: Geology
Summary: MIT researchers find that the end-Permian extinction happened in 60,000 years — much faster than earlier estimates.

Redistributing Earth's Species
Topic: Climate
Summary: An international team of scientists tracks how fast and in which direction local climates — and species — have shifted.

'Smoking Gun' on the Ice Age Megafauna Extinctions
Topic: Origin & Evolution of Life
Summary: A new study reveals that a change in vegetation likely caused the mass extinction of large mammals after the latest Ice Age.

A Protein for Photosynthesis in Ancient Microorganisms
Topic: Extreme Life
Summary: Scientists have discovered that a protein used in photosynthesis in plants likely developed in microorganisms on ancient Earth - long before oxygen became availalbe in the atmosphere.

A Look Back and Ahead at Greenland's Changing Climate
Topic: Climate
Summary: A new study describes the mechanisms causing the melting of the Greenland Ice Sheet. The so-called "submarine melting" has increased as the ocean and atmosphere have warmed over the past two decades.

NASA Mars Orbiters See Clues to Possible Water Flows
Topic: Mars
Summary: New images are providing the strongest evidence so far that liquid water may exist on Mars today. The findings could have implications in understanding the potential for life on the red planet.

From Primitive Artificial Cell to Complex Biological Materials
Topic: Origin & Evolution of Life
Summary: Scientists have made steps toward creating artificial 'building blocks' that are capable of self assembling into biological materials.

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