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Hot Topic
Origins
Extreme Life
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The Driest Place on Earth
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| Topic: Extreme Life |
06/08/02 |
| How much water does life need to survive? Chile's Atacama desert hold some interesting clues - clues that may help researchers in the hunt for life on Mars. |
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The First Sulfur Eaters
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| Topic: Extreme Life |
06/06/02 |
| Sulfate-reducing bacteria have been known to exist at least 2.72 billion years ago, but new findings from Western Australian rocks push the date of their existence back an additional 750 million years. This would mean that sulfate-reducing bacteria are one of the oldest known life forms on the planet. |
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Tandem Evolution
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| Topic: Extreme Life |
06/03/02 |
| A type of clam that inhabits deep-sea hydrothermal vents is so closely knit with a bacterium living in its tissues that their evolutionary paths, as recorded in their DNA, run in lockstep. |
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Why Microbes Matter
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| Topic: Extreme Life |
06/02/02 |
| Research on Mars can lead to advances in biotechnology and medicine, bring us closer to understanding our origins. |
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Eating Kerogen
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| Topic: Extreme Life |
06/02/02 |
| A team of researchers discovered that microorganisms in Kentucky's New Albany Shale are eating kerogen. |
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Cafe Methane
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| Topic: Extreme Life |
06/02/02 |
| In recent years, researchers discovered life also thrives in other, much colder, lightless deep-sea ecosystems besides hydrothermal vents. |
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Life without Volcanic Heat
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| Topic: Extreme Life |
06/02/02 |
| An 18-story undersea vent off the Atlantic, near what has been called the 'Lost City', has recently revealed itself as ripe with exotic microbial life. |
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Living on Fools Gold
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| Topic: Extreme Life |
06/02/02 |
| Reseachers study chemolithotrophic bacteria that survive by getting its energy by oxidizing pyrite, also known as "fool's gold". |
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Bugs From Hell
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| Topic: Extreme Life |
06/02/02 |
| Geochemists and microbiologists are delving into the details of extreme biochemistry deep within the Earth, where chemical and metabolic processes go at glacial pace, and life appears to be completely disconnected from the photosynthesis-based biological cycles that dominate surface life. |
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Living in the Dark
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| Topic: Extreme Life |
06/02/02 |
| Over the past several years, scientists have discovered life in the most unusual places. From rocky abodes deep underground, to hot volcanic vents under the seas. |
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