Thursday, March 31, 2011
Wednesday, March 30, 2011
orbit around Mercury and has begun sending back the first images in almost four decades, with a mission to map the entire surface of the planet for the first time.
Tuesday, March 29, 2011
evolution of prosauropods of the Triassic era into the long-necked, long-tailed herbivore sauropods of the Jurassic era.
Monday, March 28, 2011
bidirectional "cross-talk" communication between the flora living in the human gut and the way the brain is wired that influences anxiety-related behaviors and may relate to psychiatric illness, intestinal diseases and metabolic disorders such as obesity.
Sunday, March 27, 2011
viable sperm cells outside the testes and successfully fertilized eggs to produce healthy embryos, a development that could lead to new treatments for infertility.
Saturday, March 26, 2011
Friday, March 25, 2011
organic compounds (amides) present in an exceptionally well-preserved fossil sample of 50-million-year-old reptile skin in a nondestructive manner.
Thursday, March 24, 2011
showers of liquid methane in the atmosphere of Saturn's largest moon Titan, further evidence the moon has a "methane cycle" similar to Earth's environmental water cycle.
Wednesday, March 23, 2011
Tuesday, March 22, 2011
Native American land use had a widespread impact on the development of floodplains and other landscape features centuries before the establishment of European settlements and their own farming practices.
Monday, March 21, 2011
Sunday, March 20, 2011
colored silk by simply altering their diet accordingly, a practice with implications for reducing that industry's dependence on chemical dyes as well as potentially producing specialized silk with medicinal enhancements.
Saturday, March 19, 2011
unknown species of these primates, one with rounded instead of sharp teeth indicating a different diet than most tarsier species.
Friday, March 18, 2011
surface temperature of only 30°C, much cooler than any previously known dwarf star and what may be a "missing link" between planetary gas giants and functioning stars.
Thursday, March 17, 2011
banana peels to be effective in extracting heavy metals from water, even exceeding the capacity of other traditional materials that are themselves toxic or environmentally hazardous.
Wednesday, March 16, 2011
Tuesday, March 15, 2011
doughnut-shaped vortices of air at potential mates, a method that is silent and eliminates detection by predators and which might be adapted for stealthy and secure robotic communications.
Monday, March 14, 2011
freshwater stingless stingrays (Heliotrygon rosai and H. gomesi) native to the Amazon and distinct enough to justify creating a whole new genus.
Sunday, March 13, 2011
order of magnitude greater than expected, with the mechanism of this power output unknown.
Saturday, March 12, 2011
first known impact crater in central Africa after shatter cones were discovered on-site.
Friday, March 11, 2011
custom urethras to replace damaged tissue in five male patients by growing a combination of smooth muscle cells and endothelial cells in a laboratory on a biodegradable scaffold.
Thursday, March 10, 2011
cutting tools that evolved away from features adapted more for locomotion, confirming a theory first proposed by Charles Darwin.
Wednesday, March 9, 2011
gamma-ray burst and the x-ray radiation of its associated supernova explosion, astronomers are able to further support the theory that these mysterious phenomena are associated with the destruction of stars.
Tuesday, March 8, 2011
"zombie" ants by infecting their brain and directing them to an optimal place for the fungus to grow and spread its spres.
Monday, March 7, 2011
synthetic aperture radar interferogram showing the deformation of Earth's crust due to the magnitude 6.3 event.
Saturday, March 5, 2011
more likely to thrive in areas in which similar species are already established, contradicting Darwin's hypothesis that such invasive species would be unsuccessful due to competition for resources.
Friday, March 4, 2011
shape of the landscape and the habitats preferred by early humans, finding Australopithecus africanus adapted to mixed or mosaic habitats often created by active tectonic earth movements near rivers or lakes.
Thursday, March 3, 2011
oldest remains of a pterosaur yet found.
Wednesday, March 2, 2011
smaller, subtle shifts in multiple genes.
Tuesday, March 1, 2011
earliest human remains found in the New World and shedding light on human migration from Asia to North America.