Monday, December 26, 2011
Sunday, December 25, 2011
alter Earth's gravitational field enough to change the orbit of the twin Gravity Recovery and Climate Experiment (GRACE) satellites, sensitive NASA instruments designed to map Earth's gravity field from 500 km above the surface.
Saturday, December 24, 2011
"V"-shaped carvings dating back at least 2800 years in the limestone floor of the City of David excavation site in eastern Jerusalem have experts stumped as to the use and purpose of the design.
Friday, December 23, 2011
astonishingly massive black holes (NGC 4889, NGC 3842) with diameters ten times the size of our solar system and masses equal to 21 billion and 9.7 billion Suns, respectively, providing additional insight into the formation of the largest and oldest galaxies in the universe.
Thursday, December 22, 2011
stagnation region" at the edge of our solar system, a calm region at the border of the heliosphere where the charged solar wind has stopped and the magnetic field has increased in intensity in response to the interstellar medium.
Wednesday, December 21, 2011
habitable zone," an orbit around a star with conditions where liquid water could exist and therefore the possibility of life.
Tuesday, December 20, 2011
symbiotic bacteria in its bristled claws that it periodically harvests and eats as its primary food source.
Monday, December 19, 2011
recognize individuals of its same species from their facial markings, an ability thought to be a product of their highly social lifestyle.
Sunday, December 18, 2011
Lyman-alpha wavelength of light from the Milky Way's center for the first time, a trace indicator of star formation unable to be detected from Earth.
Saturday, December 17, 2011
Friday, December 16, 2011
hatch at the same time, despite temperature differences between the top and bottom of the nest that should affect development and hatching times, suggesting possible chemical communication among the clutch.
Thursday, December 15, 2011
collapsing and disappearing from New Zealand without human intervention, with speculation that low genetic diversity has made then susceptible to widespread disease.
Wednesday, December 14, 2011
inkjet printer technology to build a three-dimensional scaffolding material of calcium phosphate, zinc and silicon to be used in orthopedic procedures and dental work for real bones to grow and heal as it dissolves within the body.
Tuesday, December 13, 2011
diagnosed as psychopaths, possibly explaining their callous and impulsive antisocial behavior.
Monday, December 12, 2011
Leonardo da Vinci, that at any height the total cross-sectional area of all branches is roughly the same as that of the trunk, with such a design proving to resist wind breakage.
Sunday, December 11, 2011
Saturday, December 10, 2011
earthquakes grinding stones against each other.
Thursday, December 8, 2011
missing fifth gas giant hurled into space some 4 billion years ago in computer simulations of the formation of our solar system produce reasonably accurate results of its planetary structure, whereas prior computer models continue to fail to explain the current makeup resulting in four gas giants and the inner rocky planets.
Wednesday, December 7, 2011
huge commercial area dating from the 7th to the 3rd century B.C., providing insight into not only daily life and commercial enterprises but also proactive city planning and organization.
Tuesday, December 6, 2011
Monday, December 5, 2011
historical "sunstones" used to navigate even on cloudy days by locating the position of the hidden sun.
Sunday, December 4, 2011
new liquid-liquid phase transition for ordinary water that may exist below −54°F with the liquid having a greater capacity for heat conduction.
Saturday, December 3, 2011
Friday, December 2, 2011
artificial intelligence tools to scan satellite images for potential dig sites and areas of greatest probability of finding fossil-rich deposits when planning their fieldwork.
Thursday, December 1, 2011
so-called "extreme" stars being born, or stars originating outside of galaxies and in places where the gas density was too poor and stars were believed incapable of forming.