Sunday, April 12, 2015

ScienceDaily: Latest Science News

ScienceDaily: Latest Science News


Accelerating universe? Not so fast

Posted: 11 Apr 2015 06:16 AM PDT

Astronomers have found that the type of supernovae commonly used to measure distances in the universe fall into distinct populations not recognized before. The findings have implications for our understanding of how fast the universe has been expanding since the Big Bang.

Can humans get norovirus from their dogs?

Posted: 10 Apr 2015 01:53 PM PDT

Human norovirus may infect our canine companions, according to research. That raises the possibility of dog-to-human transmission, says a veterinarian and first author of a new report.

Study of processing speed impact on cognitive training

Posted: 10 Apr 2015 01:53 PM PDT

Treatment with the modified Story Memory Technique (mSMT) may be affected by processing speed, researchers report. mSMT is a 10-session cognitive intervention protocol shown to improve new learning and memory in individuals with MS.

What happens underground when a missile or meteor hits

Posted: 10 Apr 2015 01:53 PM PDT

Techniques that enable researchers to simulate high-speed missile and meteor impacts into soil and sand have been developed for use in the lab. The techniques allow the researchers to watch what happens underground close-up, in super slow motion. They report that materials like soil and sand actually get stronger when they are struck harder. The research may ultimately lead to better control of earth-penetrating missiles designed to destroy deeply buried targets such as enemy bunkers or weapons stockpiles.

Electrical control of quantum bits in silicon paves the way to large quantum computers

Posted: 10 Apr 2015 01:53 PM PDT

Scientists have encoded quantum information in silicon using simple electrical pulses for the first time, bringing the construction of affordable large-scale quantum computers one step closer to reality.

Psychological testing in the service of disability determination

Posted: 10 Apr 2015 01:53 PM PDT

Broader use of standardized psychological testing for applicants submitting disability claims to the US Social Security Administration should improve the accuracy and consistency of disability determinations, says a new report.

The new cool: Physicist discovers new material set to change cooling industry

Posted: 10 Apr 2015 01:52 PM PDT

Refrigeration and air conditioning may become more efficient and environmentally friendly thanks to the patent-pending work of physicists. The team has discovered a breakthrough magnetocaloric material that may change the energy industry, including air conditioning and food refrigeration.

Insulator-to-metal transition of vanadium dioxide

Posted: 10 Apr 2015 01:51 PM PDT

When heated to just above room temperature, the electrical conductivity of vanadium dioxide abruptly increases by a factor of 10,000. Unusually large lattice vibrations, which are the oscillations of atoms about their equilibrium positions, stabilize this highly conductive metallic phase.