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Hot Topic
Origins
Extreme Life
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| Musical Chairs around the Periodic Table |
| Topic: Extreme Life |
02/17/11 |
| The claim of a microbe that swaps arsenic for phosphorus may be questionable, but alternative chemistries for life is still a question worth considering, say researchers. |
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| Asking About Arsenic |
| Topic: Extreme Life |
12/18/10 |
| On December 2, NASA held a press conference to announce the discovery of a bacterium that has a novel biochemistry. The research made headlines around the world and sparked a great deal of scientific debate. |
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| The Three Ages of Mars |
| Topic: Extreme Life |
12/09/10 |
| While no place on Earth is exactly like Mars, various spots are quite similar to the red planet at different times in its past. A new study details the martian ages and the places on Earth that best resemble them. |
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| Thriving on Arsenic |
| Topic: Extreme Life |
12/02/10 |
| Geomicrobiologist Felisa Wolfe-Simon has discovered a bacterium that appears able to use arsenic instead of phosphorus in its DNA. The definition of life on Earth may need to be rewritten. |
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| Tracking Viruses Back in Time |
| Topic: Extreme Life |
09/06/10 |
| How long have viruses been around? No one knows. Scientists at Portland State University have begun taking the first steps toward answering this question. |
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| Diving Robot Discovers Life in the Slow Lane |
| Topic: Extreme Life |
08/05/10 |
| Scientists have found amazingly diverse microbial life in the world's deepest water-filled sinkhole, even down where sunlight can't reach. The discovery adds new insight into life´s ability to thrive in Earth´s most extreme environments. This research also could aid the search for life elsewhere in our solar system, such as on Jupiter´s moon Europa. |
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| Life after Catastrophe |
| Topic: Extreme Life |
08/02/10 |
| Scientists studying deep-sea hydrothermal vents have found that larvae travel hundreds of miles to re-colonize these harsh locations after a volcanic eruption. The new study could challenge existing beliefs about how life adapts to extreme environments. |
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| Water, Water Everywhere, but Not All Drops Have Life |
| Topic: Extreme Life |
05/20/10 |
| The search for life on other planets focuses on water, but researchers argue that – judging from our own planet – a large fraction of water conditions may be inhospitable to life. |
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| Microbial Life in Mars Analog Lakes |
| Topic: Extreme Life |
01/21/10 |
| The first microbiological survey of Mars analog lakes in Western Australia is offering new evidence of the diverse life that could have once thrived on Mars. |
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| Wanted: Easy-Going Martian Roommates |
| Topic: Extreme Life |
07/13/09 |
| Mars is not for the finicky. If something does live there, it's likely going to be similar to the more adaptive life forms on our planet. A group of researchers is studying a particular microbe that they think could be a model for Mars life. |
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