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Hot Topic
Origins
Extreme Life
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Jailhouse Rock
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| Topic: Extreme Life |
01/16/03 |
| The birthplace of life on Earth remains a controversial topic. A new hypothesis suggests that life originated in iron sulfide deposits at hydrothermal vents. These metal cells may have held the prebiotic chemicals of life captive. |
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Conan the Bacterium
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| Topic: Extreme Life |
01/10/03 |
| Radiation-resistant organism reveals its defense strategies is a ring of DNA, Weizmann Institute researchers report in Science |
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The Driest Place on Earth
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| Topic: Extreme Life |
12/24/02 |
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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Millenium Life on Ice
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| Topic: Extreme Life |
12/22/02 |
| Peter Doran of the University of Illinois at Chicago and colleagues have uncovered an extreme lake -- and ancient microbes ---by drilling into Lake Vida, a Mars-like Antarctic environment. Remarkably the researchers revived viable microbes that are at least 2,800 years old. |
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Minimalist Life
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| Topic: Extreme Life |
12/18/02 |
| Microbiologist Karl Stetter travels the world hunting game, small game. In May, he revealed the discovery of a new archaean, at 400 nanometers so small it rides the surface of another merely normally small archaean. |
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Surviving the Final Frontier
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| Topic: Extreme Life |
11/25/02 |
| Could life on Earth have spread to other planets? Or the other way around? An idea nearly 140 years old is resurfacing in a new form: microbes surviving space travel inside meteorites. Shielded from the intense radiation of the sun, dried out microbes could survive and sprout on a new world. |
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Lake Mysteries from the World's Roof: Part Four
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| Topic: Extreme Life |
11/11/02 |
| An international team of scientists has spent the past three weeks in the Andes mountains, climbing to 6,000 meters (19,700 feet) above sea level to find out what's living in the highest lake in the world. In this expedition, editor Henry Bortman talks with expedition leader Nathalie Cabrol about her team's accomplishments. |
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Stuck in the Muck
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| Topic: Extreme Life |
11/06/02 |
| Deep beneath the ocean floor, microorganisms by the billions survive - but just barely. Measurements of the rate at which they carry out life's chemical reactions show that perhaps as few as one in a million is active. |
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Hot Springs High in the Andes
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| Topic: Extreme Life |
11/04/02 |
| An international team of scientists has spent the past two weeks in the Andes mountains, preparing to explore the highest lake in the world: 6,000 meters (19,700 feet) above sea level. In this expedition, Henry Bortman talks with two graduate students who are participating in the expedition, Andy Hoke and David Fike. |
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Licancabur Expedition Journal: Part Two
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| Topic: Extreme Life |
10/28/02 |
| A team of scientists has traveled to the Andes mountains to explore the highest lake in the world. In this second of four articles, Astrobiology Magazine editor Henry Bortman talks with Nathalie Cabrol, the expedition leader, about what they've discovered so far. |
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