News tagged with pollen grain
Algae and pollen grains provide evidence of remarkably warm period in Antarctica's history
For Sophie Warny, LSU assistant professor of geology and geophysics and curator at the LSU Museum of Natural Science, years of patience in analyzing Antarctic samples with low fossil recovery finally led to a scientific breakthrough. ...
Space & Earth / Earth Sciences
Oct 01, 2009 |
4.9 / 5 (12) |
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Scientist uses sedimentary record to uncover planet's past
(PhysOrg.com) -- The wind barreled across the ice at Daily Lake as Montana State University paleoecologist Cathy Whitlock and three students used all their strength to pull a metal pipe out of the mucky lake ...
Space & Earth / Earth Sciences
Feb 27, 2009 |
4.4 / 5 (8) |
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Early sunflower family fossil found in South America
(PhysOrg.com) -- A beautifully preserved fossil identified as being of an early relative of the Asteraceae, or aster, family nearly 50 million years old suggests the plant family, which has now colonized much ...
Other Sciences / Archaeology & Fossils
Sep 28, 2010 |
5 / 5 (7) |
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Scientists discover first ever record of insect pollination from 100 million years ago
Amber from Cretaceous deposits (110-105 my) in Northern Spain has revealed the first ever record of insect pollination. Scientists have discovered in two pieces of amber several specimens of tiny insects covered ...
May 14, 2012 |
4.4 / 5 (7) |
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Sex life of plants reveals conflicts between the sexes
The pollen grains of male plants live in great competition. A grain of pollen that succeeds in manipulating the flower’s pistil can emerge victorious from the struggle. This is shown by new research from Lund University in ...
May 08, 2009 |
4 / 5 (2) |
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Trapped dental 'calculus' holds clues to ancient human diets and health
Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient human teeth ...
Other Sciences / Archaeology & Fossils
May 31, 2012 |
4 / 5 (2) |
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Experts 'baffled' by growing ranks of allergy sufferers
(PhysOrg.com) -- More Americans than ever are suffering from allergies. As spring allergy season approaches, expert Maya Jerath explains what researchers do -- and do not -- know about why we get them.
Feb 24, 2010 |
5 / 5 (1) |
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Biologists discover 'control center' for sperm production
Biologists at the University of Leicester have published results of a new study into the intricacies of sex in flowering plants.
Feb 02, 2011 |
5 / 5 (1) |
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