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Last updated on April 18, 2014 at 21:21 EDT

Latest Jeremy Beaulieu Stories

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2010-03-15 15:40:20

Findings fuel ongoing debates over different approaches to dating the tree of life Flowering plants may be considerably older than previously thought, says a new analysis of the plant family tree. Previous studies suggest that flowering plants, or angiosperms, first arose 140 to 190 million years ago. Now, a paper to be published in the Proceedings of the National Academy of Sciences pushes back the age of angiosperms to 215 million years ago, some 25 to 75 million years earlier than either...

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2009-09-23 13:44:44

If past is prelude, trees and shrubs may have a harder time keeping pace with global warming Can we predict which species will be most vulnerable to climate change by studying how they responded in the past? A new study of flowering plants provides a clue. An analysis of more than 5000 plant species reveals that woody plants "” such as trees and shrubs "” adapted to past climate change much more slowly than herbaceous plants did. If the past is any indicator of the future, woody...