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An Asteroid Alert System
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| Topic: Meteorites, Comets and Asteroids |
02/17/13 |
| Summary:
Astronomers are developing a new system to identify dangerous asteroids before their final plunge to Earth. The asteroid detection system that will patrol the visible sky twice a night looking for faint objects moving through space. |
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The Russian Meteorite
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| Topic: Meteorites, Comets and Asteroids |
02/17/13 |
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A worldwide network of sensors has been used to gather new information about the object that entered Earth's atmosphere and disintegrated over Siberia on February 15th. The object was unrelated to the asteroid 2012 DA14, which hours later made its flyby of Earth. |
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Stay Cool, Live Longer?
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| Topic: Origin & Evolution of Life |
02/16/13 |
| Summary:
A new study could suggest that exposure to cold air may promote longevity in mammals. |
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Vaporizing Threatening Asteroids
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| Topic: Meteorites, Comets and Asteroids |
02/16/13 |
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Scientists have proposed a system that could eliminate the threat of asteroids that are roughly half the size of a football field. The process would take only an hour. The system also could destroy asteroids 10 times larger in about a year. |
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The Carbon Cycle is a War Without End
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| Topic: Biosphere |
02/15/13 |
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Scientists have uncovered a war in the oceans that has been going on for hundreds of millions of years. The battle is between SAR11 bacterium and the Pelagiphage viruses that infect them, and the results of this microscopic war have profound effects on Earth's carbon cycle. |
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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 |
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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 |
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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 |
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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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