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 ...
Plants & Animals
May 9, 2012
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Analyzing DNA from four ancient skeletons and comparing it with thousands of genetic samples from living humans, a group of Scandinavian scientists reported that agriculture initially spread through Europe because farmers ...
Evolution
Apr 30, 2012
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Knowledge about animal diet can inform conservation strategy, but this information can be difficult to gather. A new DNA-based method, which analyzes genetic material from feces, could be a useful tool, and researchers have ...
Plants & Animals
Feb 29, 2012
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A team of researchers has found a key to the habitat puzzle for improving long-term survival of the endangered Florida Scrub-Jay.
Ecology
Feb 22, 2012
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A distinctive echolocation frequency led to the discovery of a new species of bat within the genus Hipposideros. Although this bat is similar to the species Hipposideros armiger, differences in acoustics, size, and DNA between ...
Plants & Animals
Feb 21, 2012
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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 ...
Archaeology
Sep 19, 2011
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Researchers at the California Institute of Technology have obtained the first high-resolution, three-dimensional images of a cell with a nucleus undergoing cell division. The observations, made using a powerful imaging technique ...
Cell & Microbiology
Sep 8, 2011
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The origin of three costly cattle diseases is genetically linked, according to findings from U.S. Department of Agriculture (USDA) researchers.
Plants & Animals
Sep 8, 2011
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The days of the blood sample routine - arm out, tie tube, make a fist, find a vein and tap in -- may soon be over, thanks to a new analysis method developed at U of T by Institute of Biomaterials and Biomedical Engineering ...
Analytical Chemistry
Aug 31, 2011
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A genetic study of the world's largest sheep species has revealed that the big-horned animals travel extensively across the moutainous borders of Afghanistan, Tajikistan, and China according to Wildlife Conservation Society ...
Plants & Animals
Jul 22, 2011
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