No need to thank dinosaur-killing asteroid for mammalian success

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It is a natural history tale that every third grader knows: The dinosaurs ruled the Earth for hundreds of millions of years, until an asteroid struck the Yucatan Peninsula and triggered a mass extinction that allowed the ancestors of today’s mammals to thrive.


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All News summaries for March 28, 2007

Landmark study unlocks stem cell, DNA secrets to speed therapies

Oct 10, 2008 | User rating: not rated yet
In a groundbreaking study led by an eminent molecular biologist at Florida State University, researchers have discovered that as embryonic stem cells turn into different cell types, there are dramatic corresponding ...

Fat-regenerating 'stem cells' found in mice

Oct 10, 2008 | User rating: not rated yet
Researchers have identified stem cells with the capacity to build fat, according to a report in the October 17th issue of the journal Cell, a Cell Press publication. Although they have yet to show that the cells can ...

Polls may underestimate Obama's support by 3 to 4 percent, researchers say

Oct 10, 2008 | User rating: not rated yet
(PhysOrg.com) -- Current polls of the presidential election may be underestimating Barack Obama's support by 3 to 4 percent nationally and possibly larger margins in the Southeast and some strongly Republican states, according ...

Unique fossils capture 'Cambrian migration'

Oct 10, 2008 | User rating: not rated yet
(PhysOrg.com) -- A unique set of fossils indicates that 525 million years ago marine animals congregated in Earth’s ancient oceans, most likely for migration, according to an international team of scientists.

Early planting lets farmers be both mean and green, study shows

Oct 10, 2008 | User rating: not rated yet
(PhysOrg.com) -- Farmers can be both mean and green when protecting their canola fields from a pesky insect that poses a chronic threat, says a University of Alberta researcher.
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