Daily non-political popular news in brief.
West Australian fossil find rewrites land mammal evolution
10-18-2006 · EurekAlert!A fossil fish discovered in the West Australian Kimberley has been identified as the missing clue in vertebrate evolution, rewriting a century-old theory on how the first land animals evolved.
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Keywords: west, australian, fossil, rewrites, land, mammal, evolution, rewrite
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- WUSTL researchers spearhead key genome initiative
12-13-2007 · EurekAlert!
The complete genome of a moss has been sequenced, providing scientists an important evolutionary link between single-celled algae and flowering plants, suggests a study published in the journal Science. A major landmark in understanding how plants originated, the moss genome sequencing offers insight into the conquest of land by plants and sheds light on the evolution of the plant kingdom, says study co-author Ralph S. Quatrano, a biology professor at Washington University in St. Louis.
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- Two studies on bee evolution reveal surprises
12-08-2006 · EurekAlert!
A 100-million-year-old bee fossil and a DNA study suggest that bees may have originated in the Northern rather than the Southern Hemisphere and from a different family of bees than previously thought.
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- New research may lead to better climate models for global warming, El Niсo
12-07-2007 · EurekAlert!
From nine different countries, 150 scientists are starting a program to gain insights about the Earth's climate and the complex system involving the oceans, atmosphere and land. They are studying the Southeastern Pacific Ocean off South America's west coast -- research that should improve global computer climate models, which would lead to improved predictions about global warming and El Niсos, said C. Roberto Mechoso, UCLA professor of atmospheric and oceanic sciences, who chairs the program.
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- West African Ocean sediment core links monsoons to global climate evolution
05-31-2007 · EurekAlert!
Monsoons, the life-giving, torrential rains of Asia and Africa, have an ancient, unsuspected connection to previous Ice Age climate cycles, according to scientists at the University of California, Santa Barbara, and at Kiel University in Germany.
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- Tiny bones rewrite textbooks
12-12-2006 · EurekAlert!
Small but remarkable fossils found in New Zealand will prompt a major rewrite of prehistory textbooks, showing for the first time that the so-called "land of birds" was once home to mammals as well.
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- Going Under Down Under: Early people at fault in Australian extinctions
01-20-2007 · Science News Online
A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.
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- Nature Conservancy study raises major questions on biofuels
02-07-2008 · EurekAlert!
A new Nature Conservancy study finds that converting land for biofuel crops results in major carbon emissions, actually worsening the problem of global warming instead of mitigating it. "This research examines the conversion of land for biofuels and asks the question 'Is it worth it?' Does the carbon you lose by converting forests, grasslands, and peatlands outweigh the carbon you 'save' by using biofuels instead of fossil fuels? And surprisingly, the answer is no,? said lead author Joe Fargione, a scientist for The Nature Conservancy.
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- West Australian women: Drinking before, and during, pregnancy
01-25-2007 · EurekAlert!
In a survey of nonindigenous West Australian women, 79.8 percent reported drinking alcohol in the three months before becoming pregnant. Nearly half of the women (46.7 percent) surveyed reported that their pregnancy was unplanned. More than half (58.7 percent) drank alcohol during pregnancy despite recommendations of abstinence.
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- Coelacanth fossil sheds light on fin-to-limb evolution
08-01-2007 · EurekAlert!
A 400 million-year-old fossil of a coelacanth fin, the first finding of its kind, fills a shrinking evolutionary gap between fins and limbs. University of Chicago scientists describe the finding in a paper highlighted on the cover of the July/August 2007 issue of Evolution & Development.
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- Earliest fungi may have found multiple solutions to propagation on land, new study infers
10-18-2006 · EurekAlert!
In the latest installment of a major international effort to probe the origins of species, a team of scientists has reconstructed the early evolution of fungi, the biological kingdom now believed to be animals' closest relatives.
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