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Latest Timothy Lyons Stories

Oxygen's Rise And Fall In The Early Atmosphere And Ocean
2012-10-23 20:44:52

UC Riverside-led research team finds evidence for a dramatic rise in early oxygen about 2.3 billion years ago followed, more surprisingly, by an equally impressive fall

Image 1 - Evidence For Iron-Rich Ancient Ocean Changes View Of Earth's Early History
2011-09-08 06:26:25

Discovery challenges previous models for environment in which early life evolved.

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2011-01-11 08:30:00

New findings from UC Riverside-led team alter traditional ideas about ancient ocean chemistry.

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2010-10-27 14:10:00

A spike in ancient marine phosphorus concentrations from 750 to 635 million years ago is linked to emergence of complex life, UC Riverside researchers say.

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2010-02-12 07:46:41

A research team led by biogeochemists at the University of California, Riverside has developed a detailed and dynamic three-dimensional model of Earth's early ocean chemistry that can significantly advance our understanding of how early animal life evolved on the planet.

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2009-10-30 10:05:00

Scientists widely accept that around 2.4 billion years ago, the Earth's atmosphere underwent a dramatic change when oxygen levels rose sharply.

2009-10-30 09:19:10

A UC Riverside-led study reports on the effects of biological oxygen production nearly 100 million years before oxygen accumulated in the atmosphere.

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2008-03-26 15:25:00

UC Riverside-led study tracked biogeochemical signatures preserved in ancient sedimentary rocks to establish nature and timing of oxygenation of Earth's atmosphere


Word of the Day
abactinal
  • Pertaining to the surface or end opposite to the mouth in a radiate animal.
The word 'abactinal' comes from a Greek root meaning 'ray' and a Latin prefix meaning 'away'.
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