Researchers find mass killings, school shootings are contagious
Mass killings and school shootings in the U.S. appear to be contagious, according to a team of scientists from Arizona State University and Northeastern Illinois University.
A learning method for energy optimization of the plug-in hybrid electric bus
Nowadays, the plug-in hybrid electric bus (PHEB) has been widely applied as a transportation in many cities of China. Compared with conventional bus, more preferable fuel economy might have been achieved, ...
Tesla tops 11,000 vehicles delivered in second quarter
Electric car maker Tesla's second-quarter deliveries surged 52 percent to set a company record exceeding 11,000 vehicles.
New study examines undergraduate understanding and misconceptions of climate change
The human brain is a factory—new perceptions and experiences are passed along a mental assembly line, shaped by prior knowledge and molded and connected to form conclusions, which then drive actions. This ...
New techniques could help identify students at risk for dropping out of online courses
MOOCs—massive open online courses—grant huge numbers of people access to world-class educational resources, but they also suffer high rates of attrition.
Image: Modeling Gaia's avionics on the ground
A full-size working model of Gaia's internal systems arrived in Germany this week. The Avionics Model is mounted in a circular set-up representing the systems on the actual satellite, now orbiting the Sun–Earth ...
Algorithm accounts for uncertainty to enable more accurate modeling
A notable error source in modeling physical systems is parametric uncertainty, where the values of model parameters that characterize the system are not known exactly due to limited data or incomplete knowledge. ...
Atmospheric mysteries unraveling: New findings may be key to explaining mercury, much more
It's been difficult to explain patterns of toxic mercury in some parts of the world, such as why there's so much of the toxin deposited into ecosystems from the air in the southeastern United States, even ...
An insight into future ocean carbon uptake under different climate change scenarios
Seas and oceans are a key contributor to the absorption of CO2 emissions to the atmosphere caused by human activities. But does this mean we can rely on this capacity to alter ongoing climate change? And, most importantly, ...
3-D printer churns out handheld underground water model
Cutting-edge three dimensional printing technology has produced a plastic model representing the land surface and underground water systems across 3.5 million hectares of the La Grange groundwater allocation ...
How computers are learning to make human software work more efficiently
Computer scientists have a history of borrowing ideas from nature, such as evolution. When it comes to optimising computer programs, a very interesting evolutionary-based approach has emerged over the past ...
Sharing economy gets a wake-up call with Uber ruling
Silicon Valley has created a new breed of American worker: neither employee nor contractor, indispensable to the company but free to work as much or as little as they please - with no real boss.
NASA: International satellite studying oceans stops working
NASA says an international satellite studying the world's oceans has stopped working after four years.
California ruling against Uber hits at business model
A California panel has ruled that a driver for cab service Uber is an employee—a decision with potentially major implications for a global startup which relies on independent contractors.