Model-independent measurement of dark matter mass could lead to future discoveries
How useful is fracking anyway? Study explores return of investment
The value of a fuel's long-term usefulness and viability is judged through its energy return on investment; the comparison between the eventual fuel and the energy invested to create it. The energy return on investment (EROI) ...
Privacy—the online generation wants it
As the debate over government surveillance rages on, there's an assumption that young people will be the least concerned about privacy.
Sexiness doesn't always have a downside
(Phys.org) —University of Queensland researchers have found that sexiness doesn't have to be a burden, at least not if you're a male threadfin rainbowfish.
Does mixing eBay and Facebook reduce bidding prices?
In a competitive context, consumers are willing to pay significantly more to win when other bidders are unknown, according to a new study in the Journal of Consumer Research.
What makes SKorea cyberattacks so hard to trace?
The attacks that knocked South Korean banks offline this week appear to be the latest examples of international "cyberwar." But among the many ways that digital warfare differs from conventional combat: there's ...
First 'directed' SETI search comes up empty
Study of pipestone artifacts overturns a century-old assumption
(Phys.org)—In the early 1900s, an archaeologist, William Mills, dug up a treasure-trove of carved stone pipes that had been buried almost 2,000 years earlier. Mills was the first to dig the Native American ...
The more things change: Trait variance provides evidence of pervasive mosaic evolution
Even brown dwarfs may grow rocky planets
(Phys.org)—Astronomers using the Atacama Large Millimeter/submillimeter Array have for the first time found that the outer region of a dusty disc encircling a brown dwarf contains millimetre-sized solid ...
How infidelity helps nieces and nephews: Men may share more genes with sisters' kids than with cheating wife's kids
A University of Utah study produced new mathematical support for a theory that explains why men in some cultures often feed and care for their sisters' children: where extramarital sex is common and accepted, a man's genes ...
First large-scale study quantitatively demonstrates how video stream quality causes changes in viewer behavior
It may seem like common sense that the quality of online video streaming affects how willing viewers are to watch videos at a website. But until computer science researcher Ramesh Sitaraman at the University ...
Potential debt problems more common among the educated, study suggests
(Phys.org)—Before the financial crash of 2008, it was highly educated Americans who were most likely to pile on unmanageable levels of debt, a new study suggests.
Length of yellow caution traffic lights could prevent accidents: study
A couple of years ago, Hesham Rakha misjudged a yellow traffic light and entered an intersection just as the light turned red. A police officer handed him a ticket.