News tagged with pollen grain
Algae and pollen grains provide evidence of remarkably warm period in Antarctica's history
Space & Earth / Earth Sciences
Oct 01, 2009 |
4.9 / 5 (12) |
2
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. ...
Sex life of plants reveals conflicts between the sexes
May 08, 2009 |
4 / 5 (2) |
0
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 ...
Silencing of jumping genes in pollen
Biology /
Feb 05, 2009 |
not rated yet |
0
Scientists at the Instituto Gulbenkian de Ciência (IGC), in Portugal, are to date the only research group in the world capable of isolating the sperm cells in the pollen grain of the model plant Arabidopsis thaliana. This ...
Biologists discover gene behind 'plant sex mystery'
Biology /
Oct 22, 2008 |
3.8 / 5 (11) |
0
An enigma – unique to flowering plants – has been solved by researchers from the University of Leicester (UK) and POSTECH, South Korea. The discovery is reported in the journal Nature on 23 October 2008. ...
Search results for pollen grain
Medvedev slams biofuel producers at grain summit
Jun 06, 2009 |
4 / 5 (5) |
5
Russian President Dmitry Medvedev on Saturday urged countries to switch to non-food sources of biofuel to prevent the spread of hunger in a world where every sixth person is malnourished.
Well-traveled wasps provide hope for vanishing species
Nov 09, 2009 |
5 / 5 (3) |
0
They may only be 1.5mm in size, but the tiny wasps that pollinate fig trees can travel over 160km in less than 48 hours, according to research from scientists at the University of Leeds. The fig wasps are transporting ...
Flight of the bumble (and honey) bee
Mar 20, 2009 |
5 / 5 (2) |
0
Insects such as honeybees and bumble bees are predictable in the way they move among flowers, typically moving directly from one flower to an adjacent cluster of flowers in the same row of plants. The bees' ...
Study says confusion reigns over whole-grain claims in school lunches
Jun 02, 2009 |
not rated yet |
0
While most nutrition experts agree that school lunches should include more whole-grain products, a new study from the University of Minnesota finds that food-service workers lack understanding and the resources to meet that ...
Researchers discovers how strain at grain boundaries suppresses high-temperature superconductivity
Jun 17, 2009 |
5 / 5 (4) |
0
Researchers at the National Institute of Standards and Technology (NIST) have discovered that a reduction in mechanical strain at the boundaries of crystal grains can significantly improve the performance ...
NIST finds 'a touch of glass' in metal, settles century-old question
Jun 17, 2009 |
3.8 / 5 (5) |
1
Better predictions of how many valuable materials behave under stress could be on the way from the National Institute of Standards and Technology (NIST), where scientists have recently found evidence of an ...
Killer bees may increase food supplies for native bees
Oct 01, 2009 |
not rated yet |
0
Aggressive African bees were accidentally released in Brazil in 1957. As "killer bees" spread northward, David Roubik, staff scientist at the Smithsonian Tropical Research Institute, began a 17-year study ...
500,000 years of climate history stored year by year
Space & Earth / Earth Sciences
Mar 14, 2007 |
4.5 / 5 (23) |
0
The bottom of Turkey’s Lake Van is covered by a layer of mud several hundreds of metres deep. For climatologists this unprepossessing slime is worth its weight in gold: summer by summer pollen has been deposited from times ...
Global warming increasing the dispersal of flora in Northern forests
Jun 11, 2009 |
2.6 / 5 (5) |
3
As a result of stronger winds caused by global warming, seeds and pollen are being carried over longer distances. An increase in temperature of only a couple of degrees may increase the dispersal of plants in Northern forests ...
Whole grain cereals, popcorn rich in antioxidants, not just fiber: study
Aug 18, 2009 |
4.4 / 5 (8) |
4
In a first-of-its kind study, scientists reported today at the 238th National Meeting of the American Chemical Society (ACS) that snack foods like popcorn and many popular breakfast cereals contain "surprisingly ...
List of search results for pollen grain
