There’s Something in the Air: Trans-planetary Microbes
December 18th, 2012 |
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Cover your mouth when you cough! We’ve all learned the hard way that microbial organisms, from bacteria to viruses, can be transported by air. But the extent to which organisms exist in the Earth’s atmosphere is only now becoming clear. There is good evidence that bacteria (or bacterial spores) can help nucleate water condensation, seeding [...]
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The Hot Baths of Mars
November 16th, 2012 |
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To understand Mars we need to understand its on-again off-again tango with liquid water. It’s not just the search for past or present life on Mars that hinges on this, but the search for a complete chemical, geophysical, and climatological history of the red planet. Water is such a potent agent for topographical and mineralogical [...]
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