News tagged with sampling data

Whale population size, dynamics determined based on ancient DNA

Estimates of whale population size based on genetics versus historical records diverge greatly, making it difficult to fully understand the ecological implications of the large-scale commercial whaling of the 19th and early ...

Biology / Plants & Animals

created May 09, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Africa's rarest monkey had an intriguing sexual past, DNA study confirms

The most extensive DNA study to-date of Africa's rarest monkey reveals that the species had an intriguing sexual past. Of the last two remaining populations of the recently discovered kipunji, one population ...

Biology / Plants & Animals

created Nov 11, 2009 | popularity 4.7 / 5 (7) | comments 0

Native Americans descended from a single ancestral group, DNA study confirms

For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral ...

Biology / Evolution

created Apr 29, 2009 | popularity 4.6 / 5 (18) | comments 2

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

created Sep 19, 2011 | popularity 4 / 5 (4) | comments 2 | with audio podcast

City living helped humans evolve immunity to TB

New research has found that a genetic variant which reduces the chance of contracting diseases such as tuberculosis and leprosy is more prevalent in populations with long histories of urban living.

Biology / Evolution

created Sep 23, 2010 | popularity 3 / 5 (1) | comments 0 | with audio podcast

Keeping DNA 'all in the family'

Scientists look for clues about therapies and cures for life-threatening childhood illnesses in children's DNA -- it seems only logical to do so. But the decision as to who should have access to DNA samples from children ...

Medicine & Health / Genetics

created Oct 06, 2009 | popularity 4 / 5 (1) | comments 0

EPA to test air outside schools, but has largely ignoring its peer-reviewed screening tool

After ignoring its own research for most of the last decade, the U.S. Environmental Protection Agency this spring will test the air outside dozens of schools across the nation that are close to industrial polluters.

Space & Earth / Environment

created Apr 07, 2009 | popularity 1 / 5 (1) | comments 0

Advertising during a Recession May Yield Increased Earnings Later

Firms that are able to increase advertising during recessions are likely to have stronger future earnings, according to a new study by researchers at Oregon State University and Western Oregon University.

Other Sciences / Economics & Business

created Mar 30, 2009 | popularity 4 / 5 (2) | comments 0