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Biodiversity: Interview with Andrew Knoll Part I
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| Topic: Biosphere |
12/21/02 |
| Summary: Harvard's Andrew Knoll, esteemed paleontologist, and Berkeley's Norman Myers, renowned conservation biologist, published a colloquium paper in Proceedings of the National Academy of Sciences last year entitled, "The Biotic Crisis and the Future of Evolution." |
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Digital Zookeepers Take a Census
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| Topic: Biosphere |
06/02/02 |
| Summary: Cataloguing the taxonomy of an entire planet's history, a 'digital zoo' holds great promise for resolving century-old debates about how the Earth got to be such a rich spawning ground for life's diversity. |
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Biological Diversity: Fact or Artifact?
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| Topic: Biosphere |
06/02/02 |
| Summary: It's one of the biggest questions of biology. How did biodiversity change after the 'Cambrian explosion' 540 million years ago? |
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Evolution's Slow Recovery
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| Topic: Biosphere |
06/02/02 |
| Summary: The biosphere bounces back from mass extinctions with the origin of new species. |
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The Great Dying
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| Topic: Biosphere |
02/12/02 |
| Summary: 250 million years ago something unknown wiped out most life on our planet. Now scientists are finding buried clues to the mystery inside tiny capsules of cosmic gas. earthshine.html |
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Digital Zookeepers Take a Census
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| Topic: Biosphere |
02/01/02 |
| Summary: Cataloguing the taxonomy of an entire planet's history, a 'digital zoo' holds great promise for resolving century-old debates about how the Earth got to be such a rich spawning ground for life's diversity. |
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Photosynthesis: Take It or Leave It
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| Topic: Biosphere |
10/17/01 |
| Summary: A serendipitous examination of ocean waters last year brought a big surprise for a team of US and Canadian scientists, a surprise that's causing marine ecologists to rethink the details of how ocean ecosystems function. |
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A Greener Planetary Greenhouse
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| Topic: Biosphere |
09/14/01 |
| Summary: In recent years Earth-orbiting satellites have seen plants growing more vigorously than usual over northern parts of our planet. |
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Guerrero Negro
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| Topic: Biosphere |
08/24/01 |
| Summary: Guerrero Negro is a popular destination for ecotourists to gaze at the gray whales, but scientists go to investigate an ecosystem that hold important clues to what life was like on early Earth. |
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Starved for Nitrogen
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| Topic: Biosphere |
07/27/01 |
| Summary: A team of researchers, including a NASA scientist, reports that an early-life nitrogen crisis may have triggered a critical evolutionary leap about 2 billion years ago. |
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