Wednesday, November 30, 2011
Monday, November 28, 2011
officially approved by the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP).
Sunday, November 27, 2011
multi-decade drought for the southwestern United States around the second century A.D., suggesting this area may have periodic extended periods of severe aridity.
Saturday, November 26, 2011
redrawing the route of conquistador Hernando de Soto's 16th-century expedition, reaching further into what is now the United States' interior than previously believed.
Friday, November 25, 2011
erasing parts of the fossil record by destroying bones before they fossilized.
Thursday, November 24, 2011
stimulate mammal hearts to grow without scarring, leading to potential medical treatments for human heart disease.
Wednesday, November 23, 2011
complex organic molecules are unexpectedly common throughout the universe, and can be sythesized by stars and not solely the byproducts of other life processes.
Tuesday, November 22, 2011
Camarasaurus and comparing those levels to known sedimentary compositions, researchers have produced the first hard evidence of dinosaur seasonal migration.
Monday, November 21, 2011
xenophyophores abundant on the sea floor, single-celled animals that can reach 10 cm in length and play host to dozens of other extreme species.
Sunday, November 20, 2011
snakes storing sperm for years until needed -- a mechanism still poorly understood.
Saturday, November 19, 2011
13,800 years ago, some 800 years before the rise of the Clovis culture.
Friday, November 18, 2011
computational logic gates out of gut bacteria (E. coli) and modified DNA that function just as their semiconductor counterparts, suggesting the feasibility of biological computers.
Thursday, November 17, 2011
boat burial site on the Ardnamurchan Scottish peninsula estimated to be at least 1000 years old and complete with many artifacts, one of the most significant Norse discoveries yet found in the UK.
Wednesday, November 16, 2011
thirteen species of bacteria known to break down cellulose present in their feces, with seven of those species unique to pandas.
Tuesday, November 15, 2011
no known object capable of producing such energy bursts, leaving these sources complete mysteries.
Monday, November 14, 2011
full flight evolved instead from gliding tree-dwellers.
Sunday, November 13, 2011
diamond-like hardness under extreme pressures and returns to its softer state when the pressure is removed.
Saturday, November 12, 2011
wide range of foods including fish, olives, legumes, ginger, walnut and juniper and herbs such as mint, thyme and oregano.
Friday, November 11, 2011
most complete dinosaur fossil ever found, with 98% of its skeleton perfectly preserved with an unmatched clarity.
Thursday, November 10, 2011
artist's workshop" in the Blombos cave of South Africa, revealing evidence of grinding tools and powdered mineral mixing some 100,000 years ago.
Wednesday, November 9, 2011
identify individual contributing sources by focusing strictly on writing style instead of content, specifically the use of function words and synonyms.
Tuesday, November 8, 2011
computationally reconstructed Tyrannosaurus rex growth patterns beginning from high-definition scans of actual bones, revealing that the dinosaur grew significantly heavier and faster than previous calculations predicted.
Monday, November 7, 2011
channel-type nanostructure that will allow them to self-assemble, making their fabrication easier, cheaper and faster.
Sunday, November 6, 2011
bacterial communication via secretion of various chemical signals (often to determine if other similar bacteria are in the proximity), and that such chemical means of communication in ocean-based microorganisms at depth could affect Earth's natural carbon cycle.
Saturday, November 5, 2011
Friday, November 4, 2011
the plague (Yersinia pestis) from teeth samples taken from victims buried in London in 1348, the first time an ancient pathogen has been restored for scientific study.
Thursday, November 3, 2011
Tiny fossil teeth of ancient rodent species found in Peru date back some 41 million years, 10 million years older than previously known examples, and indicate an evolutionary line descended from similar African species.
Wednesday, November 2, 2011
Roman artifacts at an ancient fort including discarded shoes, jewelry, pottery, coins and animal bones dating back to the second century A.D., one of the largest Roman sites ever found in Scotland.
Tuesday, November 1, 2011
dioecious plant species.