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Grandad's Hip Fracture a Risk Factor for Osteoporosis
March 11, 2013 — Has your paternal or maternal grandfather broken their hip on any occasion? In that case there is a greater risk that your own bones are more fragile as an adult. This has been demonstrated in a ... > full story -
Mummy CT Scans Show Preindustrial Hunter Gatherers Had Clogged Arteries
March 11, 2013 — Like nearly 4.6 million Americans, ancient hunter-gatherers also suffered from clogged arteries, revealing that the plaque build-up causing blood clots, heart attacks and strokes is not just a result ... > full story -
Ancient DNA Solves 320-Year-Old Mystery: Origins of Now Extinct Falkland Islands Wolf
March 5, 2013 — Researchers have found the answer to one of natural history's most intriguing puzzles -- the origins of the now extinct Falkland Islands wolf and how it came to be the only land-based mammal on the ... > full story -
Is Nanosilver Toxic?
February 28, 2013 — According to new research with data obtained on two crustacean species, there is apparently no reason to consider silver nanoparticles more dangerous for aquatic ecosystems than silver ... > full story -
Silver Nanoparticles May Adversely Affect Environment, Researchers Demonstrate
February 27, 2013 — In experiments mimicking a natural environment, researchers have demonstrated that the silver nanoparticles used in many consumer products can have an adverse effect on plants and ... > full story -
Evolution and the Ice Age
February 26, 2013 — Scientists are discovering how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of the dinosaurs or to the ... > full story -
Caves Point to Thawing of Siberia: Thaw in Siberia's Permafrost May Accelerate Global Warming
February 21, 2013 — Evidence from Siberian caves suggests that a global temperature rise of 1.5 degrees Celsius could see permanently frozen ground thaw over a large area of Siberia, threatening release of carbon from ... > full story -
Ancient Teeth Bacteria Record Disease Evolution
February 17, 2013 — DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behavior from the Stone Age to the modern ... > full story -
Tree-Ring Data Show History, Pattern to Droughts
February 17, 2013 — Researchers used more than 1,400 climate-sensitive tree-ring chronologies from multiple tree species across North America to reconstruct the Palmer drought severity index (PDSI), a widely used soil ... > full story -
Christianity Influences Meat Taboos in Amazon
February 13, 2013 — The introduction of Christianity has changed the hunting habits of indigenous people in the Amazon. While some new practices could benefit animals, others could put populations at ... > full story
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