News tagged with mass extinction

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Counting calories in the fossil record

Starting about 250 million years ago, at the end of the Permian period, brachiopod groups disappeared in large numbers, along with 90 percent of the planet's species. Today, only a few groups, or genera, ...

Mar 26, 2014
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Reef fish arrived in two waves

(Phys.org) —The world's reefs are hotbeds of biological diversity, including over 4,500 species of fish. A new study shows that the ancestors of these fish colonized reefs in two distinct waves, before ...

Apr 10, 2014
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DNA duplication: A mechanism for 'survival of the fittest'

VIB researchers connected to Ghent University, Belgium, have discovered that DNA duplications have given plants an evolutionary advantage. This mechanism enabled plants -- in contrast to the dinosaurs -- to survive the Cretaceous-Tertiary ...

Mar 23, 2009
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The sad state of biodiversity

Factfile on biodiversity ahead of talks opening Monday under the UN's Convention on Biological Diversity (CBD) in Hyderabad, India.

Oct 05, 2012
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