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Oxygen-Poor 'Boring' Ocean Challenged Evolution of Early Life
March 18, 2013 Biogeochemists have filled in a billion-year gap in our understanding of conditions in the early ocean during a critical time in life's history on Earth. During the period 1.8 to 0.8 billion years ... > full story -
Tiny Minotaurs and Mini-Casanovas: Ancient Pigmy Moths Reveal Secrets of Their Diversity
March 18, 2013 Strange thickened antennae like bulls' horns and mustache-like scent scales are amongst the romantic armory of males of Australia's tiniest moths, as revealed in a new study of their diversity and ... > full story -
Dinosaur-Era Climate Change Study Suggests Reasons for Turtle Disappearance
March 14, 2013 Dramatic climate change was previously proposed to be responsible for the disappearance of turtles 71-million-years ago, because they were considered to be "climate-sensitive" animals. Results of ... > full story -
Five-Million-Year-Old Saber-Toothed Cat in Newly Discovered Genus Discovered in Florida
March 14, 2013 A new genus and species of extinct saber-toothed cat has been discovered in Polk County, Florida. The 5-million-year-old fossils belong to the same lineage as the famous Smilodon fatalis from the La ... > full story -
Four Dinosaur Egg Species Identified in Lleida, Spain
March 12, 2013 Scientists have for the first time documented detailed records of dinosaur egg fossils in the Coll de Nargó archaeological site in Lleida, Spain. Up until now, only one type of dinosaur egg ... > full story -
Cryptic Clams: Biologists Find Species Hiding in Plain View
March 12, 2013 Cryptic comments seem to have an ambiguous, obscure or hidden meaning. In biology, cryptic species are outwardly indistinguishable groups whose differences are hidden inside their ... > full story -
Earliest Tobacco Use in Pacific Northwest Discovered
March 12, 2013 Native American hunter-gatherers living more than a thousand years ago in what is now northwestern California ate salmon, acorns and other foods, and now we know they also smoked tobacco -- the ... > 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 -
Light Shed on Ancient Origin of Life
March 7, 2013 Researchers discovered important genetic clues about the history of microorganisms called archaea and the origins of life itself in the first ever study of its kind. Results of their study shed light ... > full story -
Siberian Fossil Revealed to Be One of the Oldest Known Domestic Dogs
March 6, 2013 Analysis of DNA extracted from a fossil tooth recovered in southern Siberia confirms that the tooth belonged to one of the oldest known ancestors of the modern ... > full story
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