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Hot Topic
Origins
Extreme Life
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How Microbes Survive at the Bare Minimum
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| Topic: Extreme Life |
03/29/13 |
| A new study shows that microscopic archaea are capable of eating tiny bits of protein. The finding provides new insight into the minimum conditions required for life to survive. |
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Deep Ocean Trenches are Microbial Hot Spots
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| Topic: Extreme Life |
03/20/13 |
| Scientists have announced scientific results from an expedition to one of the most inaccessible places on Earth. The team found that a highly active community of bacteria survives in sediment at the bottom of the Mariana Trench - nearly 11 km below sea level. |
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'Bizarre Bacteria' in Lake Vostok Study Likely a Contaminant
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| Topic: Extreme Life |
03/12/13 |
| Last week, reports began to emerge that scientists had discovered a previously unknown bacteria in samples from Antarctica’s Lake Vostok. Word quickly spread throughout the blogosphere, but the bacteria in question is likely just a contaminant. |
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Thriving in Battery Acid and Toxic Metals
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| Topic: Extreme Life |
03/10/13 |
| Scientists are trying to understand how a single-celled alga can thrive in different extreme environments using multiple strategies to survive. The organism uses photosynthesis when living in the hot springs of Yellowstone, but feeds on bacteria when inhabiting dark, caustic mineshaft drainage. |
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Vibrant Mix of Sea Life at Extreme Depths
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| Topic: Extreme Life |
02/26/13 |
| The first results from a record-setting expedition into the world's deepest points, including the Pacific Ocean's Mariana Trench, has revealed previously unexplored ecosystems in the cold, dark, and highly pressurized depths. |
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Dodging the Extinction Bullet
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| Topic: Extreme Life |
02/24/13 |
| Biologists have found that the mutation that helps an organism survive in the harshest environment is often dependent on a "relay team" of other mutations that came before, mutations that emerge only as conditions worsen at gradual and moderate rates. |
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Life Under the Lake Ice
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| Topic: Extreme Life |
02/13/13 |
| 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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Microbes Survive a Mixed Bag of Mars ‘Biocidals’
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| Topic: Extreme Life |
02/11/13 |
| 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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