Earth's iron core is surprisingly weak, researchers say
The massive ball of iron sitting at the center of Earth is not quite as "rock-solid" as has been thought, say two Stanford mineral physicists. By conducting experiments that simulate the immense pressures deep in the planet's ...
mtDNA study shows Minoans came from Europe not Africa
Field tests in Mojave Desert pave way for human exploration of small bodies
(Phys.org) —A team of researchers from the SETI Institute, the Mars Institute, NASA Ames Research Center, and the space robotics company Honeybee Robotics, has successfully completed a first series of field ...
A new laser paradigm: An electrically injected polariton laser
Engineering researchers at the University of Michigan have demonstrated a paradigm-shifting "polariton" laser that's fueled not by light, but by electricity.
4C+29.30: Black hole powered jets plow into galaxy
(Phys.org) —This composite image of a galaxy illustrates how the intense gravity of a supermassive black hole can be tapped to generate immense power. The image contains X-ray data from NASA's Chandra X-ray ...
Study shows dogs may have been domesticated far earlier than thought
Three X-class flares in 24 hours
The sun emitted a third significant solar flare in under 24 hours, peaking at 9:11 p.m. EDT on May 13, 2013. This flare is classified as an X3.2 flare. This is the strongest X-class flare of 2013 so far, ...
Homeowners do not increase consumption despite their property rising in value, research shows
Although the value of our property might rise, we do not on that account increase our consumption. This is the conclusion by economists from University of Copenhagen and University of Oxford in new research which is contrary ...
Graphene-boron mix shows promise for lithium-ion batteries
Frustration led to revelation when Rice University scientists determined how graphene might be made useful for high-capacity batteries.
US lawmakers raise Google Glass privacy concerns
A group of US lawmakers has asked Google to answer questions on the privacy implications and possible "misuse of information" of its Google Glass project.
Galaxy's Ring of Fire
Johnny Cash may have preferred this galaxy's burning ring of fire to the one he sang about falling into in his popular song. The "starburst ring" seen at center in red and yellow hues is not the product of ...
Secret of efficient photosynthesis: Purple bacteria's light-harvesting prowess lies in highly symmetrical molecules
Purple bacteria are among Earth's oldest organisms, and among its most efficient in turning sunlight into usable chemical energy. Now, a key to their light-harvesting prowess has been explained through a detailed structural ...
Study of alligator dental regeneration process may lead to tooth regeneration in humans
Congress gets mixed advice on regulating drones
(AP)—The growing use of unmanned surveillance "eyes in the sky" aircraft raises a thicket of privacy concerns, but the U.S. Congress is getting mixed advice on what, if anything, to do about it.