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Oil and gas projects in western Amazon threaten biodiversity and indigenous peoples

Space & Earth / Environment

created Aug 13, 2008 | popularity 3.5 / 5 (8) | comments 1

The western Amazon, home to the most biodiverse and intact rainforest left on Earth, may soon be covered with oil rigs and pipelines.


Gene study supports single main migration across Bering Strait

Gene study supports single main migration across Bering Strait

Biology /

created Nov 26, 2007 | popularity 4.5 / 5 (36) | comments 2

Did a relatively small number of people from Siberia who trekked across a Bering Strait land bridge some 12,000 years ago give rise to the native peoples of North and South America?


Exporting ponchos to a land 'where the devil lost his poncho'

Other Sciences / Other

created Aug 14, 2009 | popularity 4 / 5 (1) | comments 0

University of Leicester researcher reveals history of British textiles trade in South America We may think of ponchos as quintessentially South American, but new research by a University of Leicester historian reveals that ...


Discovery helps solve mystery of South American trophy heads

Discovery helps solve mystery of South American trophy heads

Other Sciences / Archaeology & Fossils

created Jan 05, 2009 | popularity 4.3 / 5 (4) | comments 1

The mystery of why ancient South American peoples who created the mysterious Nazca Lines also collected human heads as trophies has long puzzled scholars who theorize the heads may have been used in fertility ...


New clues to the Falklands wolf mystery

New clues to the Falklands wolf mystery

Biology / Plants & Animals

created Nov 02, 2009 | popularity 4.7 / 5 (3) | comments 0

Ever since the Falklands wolf was described by Darwin himself, the origin of this now-extinct canid found only on the Falkland Islands far off the east coast of Argentina has remained a mystery. Now, researchers ...


The peopling of the Americas: Genetic ancestry influences health

Biology / Evolution

created Aug 14, 2009 | popularity 4.3 / 5 (7) | comments 5

At one time or another most of us wonder where we came from, where our parents or grandparents and their parents came from. Did our ancestors come from Europe or Asia? As curious as we are about our ancestors, for practical ...


New map finds HIV rates are highest in the South

Medicine & Health / HIV & AIDS

created Jun 22, 2009 | popularity not rated yet | comments 0

(AP) -- A new Internet data map offers a first-of-its-kind, county-level look at HIV cases in the U.S. and finds the infection rates tend to be highest in the South.


Sao Paulo scientists study skulls

Other Sciences /

created Dec 14, 2005 | popularity 4.7 / 5 (7) | comments 0

A Brazilian study involving a large collection of South American skulls suggests at least two distinct groups of early humans colonized the Americas.


Forest clearances sealed ancient civilisation's downfall

Forest clearances sealed ancient civilisation's downfall

Other Sciences / Archaeology & Fossils

created Nov 02, 2009 | popularity 4.9 / 5 (9) | comments 6

(PhysOrg.com) -- An ancient South American civilisation which disappeared around 1,500 years ago helped to cause its own demise by damaging the fragile ecosystem that held it in place, a study has found. ...


Tropical birds waited for land crossing between North and South America: study

Tropical birds waited for land crossing between North and South America: study

Biology / Plants & Animals

created Dec 09, 2009 | popularity 3.8 / 5 (4) | comments 1

Despite their ability to fly, tropical birds waited until the formation of the land bridge between North and South America to move northward, according to a University of British Columbia study published this ...


'American Diet' v. Atkins Diet

'American Diet' v. Atkins Diet

Medicine & Health / Research

created Oct 19, 2009 | popularity 4.2 / 5 (13) | comments 1

(PhysOrg.com) -- If people can learn anything from rats, what to eat might be one of the most useful lessons. University of South Florida Professor David Diamond, in the Departments of Psychology, Molecular ...


Rock art marks transformations in traditional Peruvian societies

Other Sciences / Archaeology & Fossils

created Aug 04, 2008 | popularity 4.4 / 5 (5) | comments 0

Peru is one of the Latin American countries, like Argentina and Brazil, where rock art is thought to have developed throughout a period stretching from 10,000 BC to 1500 AD. The wealth and diversity of the series of pictorial ...


How will bundling impact dialysis units nationwide?

Medicine & Health / Other

created Oct 30, 2009 | popularity not rated yet | comments 0

The proposed Medicare "bundled" payment system for dialysis is likely to reduce government reimbursements for dialysis units in certain regions of the United States and for some types of facilities, according to research ...


Callers of all incomes ditching landlines for cell

Technology / Telecom

created Dec 16, 2009 | popularity 3 / 5 (1) | comments 0

(AP) -- The number of households with cell phones but no landlines continues to grow, but the recession doesn't seem to be forcing poor cellular users to abandon their traditional wired phones any faster than higher-income ...


maize

The impact of the diffusion of maize to the Southwestern United States

Other Sciences / Archaeology & Fossils

created Dec 08, 2009 | popularity 4.5 / 5 (6) | comments 0

An international group of anthropologists offers a new theory about the diffusion of maize to the Southwestern United States and the impact it had.