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The delayed rise of present-day mammals
03-28-2007 · EurekAlert!It took 10 to 15 million years after the dinosaurs were wiped out before modern mammals -- including our ancient human ancestors -- were able to diversify and rise to their present-day prominence across the globe, a landmark new study has found.
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Keywords: delayed, rise, present-day, mammals, present, day, mammal
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- Dinosaur extinction didn't cause the rise of present-day mammals, claim researchers
03-28-2007 · EurekAlert!
A new, complete "tree of life" tracing the history of all 4,500 mammals on Earth shows that they did not diversify as a result of the death of the dinosaurs, says new research published in Nature today.
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- DNA gives new perspectives to understand the mysteries of nature
02-13-2007 · EurekAlert!
Scientific breakthrough: What caused the extinction of the woolly rhinoceros ten thousand years ago from an area in Europe covering the coasts of the Arctic Ocean in the north to the coasts of the Mediterranean in the south? What caused the extinction of the mammoth while other ice age mammals like the musk ox just barely survived to present day. A new scientific methodological approach to detect genetic material will help researchers to solve the many mysteries of the past.
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- Present-day species of piranha result from a marine incursion into the Amazon Basin
12-03-2007 · EurekAlert!
A research team involving IRD scientists has acquired a better understanding of the evolutionary history of piranhas. About 4 million years BP, rise in sea level appears to have brought about the isolation of small populations of piranhas in the upper reaches of the great rivers. This situation favoured speciation and hence the formation of the present species. Such populations would then have descended to colonize the lowland waters of these rivers following the regression of the Atlantic Ocean.
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- Burrowing mammals dig for a living, but how do they do that?
10-28-2007 · EurekAlert!
Next time you see a mole digging in tree-root-filled soil in search of supper, take a moment to ponder the mammal's humerus bones. When seen in the lab, they are nothing like the long upper arm bones of any other mammal, says Samantha Hopkins, a paleontologist at the University of Oregon.
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- Wireless energy transfer can potentially recharge laptops, cell phones without cords
11-14-2006 · EurekAlert!
Recharging your laptop computer -- and also your cell phone and a variety of other gadgets -- might one day be doable in the same convenient way many people now surf the Web: wirelessly. A Massachusetts Institute of Technology team will present research on the physics of electromagnetic fields, showing how wireless energy could power future gadgets. The MIT team is also working on demonstrating the technology in practice.
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- Corals that can fight global warming may one day help fragile reefs
03-02-2007 · EurekAlert!
Global warming is threatening corals, reported Cornell's Drew Harvell at the AAAS meeting February 18. But some corals can fight diseases as temperatures rise and may provide clues in how to protect other fragile coral reefs, she said.
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- ESA celebrates Europe Day
05-09-2007 · European Space Agency (ESA)
Today ESA was present at the 'European Village' created to commemorate Europe Day at the Paris Town Hall, in France. For this special occasion, films, animations and an ESA-dedicated stand were organised, as well as presentations from ESA's astronauts Jean-Pierre Haigneré and Jean-François Clervoy.
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- Finding patterns of importance in a deluge of data
01-09-2007 · EurekAlert!
Two Dartmouth engineers think that PQS, or process query systems, are the way to go to make sense of the huge volume of data we collect each day from computer network monitors, video surveillance cameras, financial transaction records, databases of email exchanges, etc. The duo present their case in a paper published in the January 2007 issue of the journal IEEE Computer.
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- Cartoons are less male chauvinist and to find husband is not important for the characters
01-31-2008 · EurekAlert!
This study, carried out by the Department of Pedagogy from the University of Granada, reveals that the role of women of Walt Disney films is adjusted to present-day social canons.In current cartoons, women are more independent and they are very important both in the public and work environment.
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- Envisat Symposium 2007 kicks off in Switzerland
04-23-2007 · European Space Agency (ESA)
More than 900 scientists from around the world have gathered in Montreux, Switzerland, for a five-day symposium to discuss, present and review their findings on the state of our world's land, oceans, ice and atmosphere using data from ESA Earth observation satellites, in particular Envisat – the largest environmental satellite ever built.
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