News tagged with american population
Big-mouthed babies drove the evolution of giant island snakes
Some populations of tiger snakes stranded for thousands of years on tiny islands surrounding Australia have evolved to be giants, growing to nearly twice the size of their mainland cousins. Now, new research ...
May 15, 2012 |
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What's in a surname? New study explores what the evolution of names reveals about China
What can surnames tell us about the culture, genetics and history of our society? That is the question being answered by Chinese researchers who have traced the evolution of surnames across China.The research, published in ...
Other Sciences / Social Sciences
Apr 13, 2012 |
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Stark warning emerges from science summit
A stark theme emerged from an annual scientific get-together in Vancouver: the world must be helped to believe in science again or it could be too late to save our planet.
Feb 21, 2012 |
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'Extinct' monkey rediscovered in Borneo by new expedition
An international team of scientists has found one of the rarest and least known primates in Borneo, Miller's Grizzled Langur, a species which was believed to be extinct or on the verge of extinction. The team's ...
Jan 20, 2012 |
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New EPA air quality rules outweigh costs and provide major health and environmental benefits
A report by researchers at Columbia University's Mailman School of Public Health provides an expanded review of six new air quality regulations proposed or recently adopted by the U.S. Environmental Protection Agency's (EPA). ...
Dec 21, 2011 |
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DNA evidence offers proof of North American native population decline due to arrival of Europeans
(PhysOrg.com) -- Most history books report that Native American populations in North America declined significantly after European colonizers appeared, subsequent to the “discovery” of the new world by Christopher ...
Dec 06, 2011 |
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Between geometry and biology: How and why does the number of species depend on area
There are few universal rules in ecology, but arguably one is the relationship between the area of a study plot and the number of species counted within that plot, the so called species-area relationship. Larger study plots ...
Nov 10, 2011 |
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Chinese-Americans don't overborrow, study finds
Bad mortgage loans and rampant consumer debt were two of the primary causes for the recent economic recession in the U.S. Despite a national trend of debt problems, a University of Missouri researcher has found one American ...
Other Sciences / Economics & Business
Oct 17, 2011 |
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Strong attachment to local communities made oil spill more stressful for many coastal residents
A major concern related to the Deepwater Horizon oil spill of 2010 was the impact on people living in coastal areas. News reports provided anecdotal evidence that those living along the coast and reliant on the fishing or ...
Other Sciences / Social Sciences
Oct 07, 2011 |
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Continents influenced human migration, spread of technology
How modern-day humans dispersed on the planet and the pace of civilization-changing technologies that accompanied their migrations are enduring mysteries. Scholars believe ancient peoples on Europe and Asia moved primarily ...
Other Sciences / Archaeology & Fossils
Sep 19, 2011 |
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Black-white marriages increased rapidly since 1980, study finds
A new study of interracial marriages in the United States since the 1980s suggests that the racial boundary between blacks and whites continues to break down – but is not yet close to disappearing.
Other Sciences / Social Sciences
Sep 15, 2011 |
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College-educated undocumented young adults face same narrow range of jobs as their parents
Parents who move to the United States without legal status generally seek better opportunities for their young children. Their kids grow up Americanized: speaking English, attending public school, going to ...
Other Sciences / Social Sciences
Jul 26, 2011 |
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Study: Wild Cuban crocodiles hybridize with American crocs
A new genetic study by a team of Cuban and American researchers confirms that American crocodiles are hybridizing with wild populations of critically endangered Cuban crocodiles, which may cause a population ...
Jun 22, 2011 |
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UN: Deaths up from cancer, diabetes, heart disease
(AP) -- Nearly two-thirds of deaths in the world are caused by noncommunicable diseases such as cancer, diabetes and heart and lung disease which are rapidly increasing at a cost to the global economy of trillions of dollars, ...
Jun 21, 2011 |
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Cancer death rate gap widens based on education
(AP) -- The gap in cancer death rates between college graduates and those who only went to high school is widening, the American Cancer Society reported Friday.
Jun 17, 2011 |
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