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2008-01-08 15:55:00

BLACKSBURG, Va. -- Scientists have known for some time that most major groups of complex animals appeared in the fossils record during the Cambrian Explosion, a seemingly rapid evolutionary event that occurred 542 million years ago. Now Virginia Tech paleontologists, using rigorous analytical methods, have identified another explosive evolutionary event that occurred about 33 million years earlier among macroscopic life forms unrelated to the Cambrian animals. They dubbed this earlier event...

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2005-07-19 12:40:00

Unusually preserved fossils discovered by Virginia Tech, Nanjing Institute researchers shed new light on how macroscopic, complex life evolved and lived 550 million years ago. Astrobiology Magazine -- Scientists interested in ancient life have a wealth of fossils and impressions frozen in rocks that they can study from as far back as 540 million years ago - when animals with shells and bones began to become plentiful. But evidence of complex life older than 540 million years is scant and...

2005-07-11 19:20:00

Blacksburg, Va. July 11, 2005 "“ Scientists interested in ancient life have a wealth of fossils and impressions frozen in rocks that they can study from as far back as 540 million years ago "“ when animals with shells and bones began to become plentiful. But evidence of complex life older than 540 million years is scant and difficult to study. Now, a research team from Virginia Tech in the United States and Nanjing Institute of Geology and Paleontology in China has discovered...


Word of the Day
penuche
  • A fudgelike confection of brown sugar, cream or milk, and chopped nuts.
'Penuche' is a variant of 'panocha,' a coarse grade of sugar made in Mexico. 'Panocha' probably comes from the Spanish 'panoja, panocha,' ear of grain.
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