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Lead hokes the age

Rocks do not lose their memory across Earth history, but their true ages might be distorted: Even under ultra-high temperature metamorphic conditions exceeding 1200°C, zircon retains the lead content accumulated ...

dateApr 06, 2015 in Earth Sciences
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Dazzled by the bright Southern Lights

The past week saw a fantastic treat for aurora watchers. Generally it is the southern part of the country, Tasmania in particular, that sees the most impressive displays. But this aurora has been so intense ...

dateMar 20, 2015 in Space Exploration
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Helicopter drones on Mars

NASA's Jet Propulsion Laboratory recently announced that it is developing a small drone helicopter to scout the way for future Mars rovers. Why would Mars rovers need such a robotic guide? The answer is that ...

dateMar 18, 2015 in Space Exploration
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