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Self-Assembling Molecules May Point to Life's Origin
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| Topic: Origin & Evolution of Life |
02/14/13 |
| Summary: Scientists have reported that a pair of RNA-like molecules can spontaneously assemble into gene-length chains. A similar process may have led to the evolution of RNA and life itself billions of years ago. |
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Scientists Explain Shiny Object on Mars
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| Topic: Mars |
02/13/13 |
| Summary: Scientists have explained what looks like a piece of shiny metal sticking out of a rock on Mars in a photograph from the Curiosity rover. |
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Life Under the Lake Ice
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| Topic: Extreme Life |
02/13/13 |
| Summary: Scientists have identified microbial life in a lake trapped under the frozen ice sheet of Antarctica. For their discovery, the team drilled through 800 meters of ice covering Lake Whillans to collect samples. |
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You Could Name Pluto's Moons
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| Topic: Outer Solar System |
02/12/13 |
| Summary: Scientists have put out a call to the public to name two newly discovered moons of Pluto, currently dubbed 'P4' and 'P5.' |
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Curiosity Rover Collects First Martian Bedrock Sample
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| Topic: Mars |
02/12/13 |
| Summary: Curiosity has used its drill to bore into a flat rock on Mars and collect a sample from its interior. The rock could hold evidence about long-gone wet environments, providing astrobiologists with new insight into the potential for past life on the red plant. |
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NASA Mission Will Estimate Asteroid Impact Hazard
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| Topic: Meteorites, Comets and Asteroids |
02/11/13 |
| Summary: NASA's OSIRIS-REx mission will take the most precise measurements of how warmth from the Sun can ultimately push asteroids and change their orbits. The data will help astrobiologists understand the risk of an asteroid collision with Earth in the future. |
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Microbes Survive a Mixed Bag of Mars ‘Biocidals’
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| Topic: Extreme Life |
02/11/13 |
| Summary: For the first time, scientists find that microbes from Earth can survive and grow even in the mix of drastically low pressure, freezing temperatures and oxygen-starved conditions seen on Mars. |
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