10/09/2014

Three comets for northern hemisphere observers

As the Chinese proverb says, "May you live in interesting times," and while the promise of Comet ISON dazzling observers didn't exactly pan out as hoped for in early 2014, we now have a bevy of binocular comets set to grace ...

Class size does matter for disadvantaged students

A recent report by the Victorian Competition & Efficiency Commission has suggested that reducing class sizes in the state has not improved student academic performance.

Sandia cyber-testing contributes to DHS Transition to Practice

Through the Department of Homeland Security's Transition to Practice (TTP) program, cybersecurity technologies developed at Sandia National Laboratories—and at other federal labs—now stand a better chance of finding their ...

Polonium's most stable isotope gets revised half-life measurement

Scientists at the National Institute of Standards and Technology (NIST) have determined* that polonium-209, the longest-lived isotope of this radioactive heavy element, has a half-life about 25 percent longer than the previously ...

Promoting homeownership is not entirely risk free

For twenty years, Switzerland has been promoting homeownership by letting residents draw on their pension fund assets to buy a home. In a recent study, Philippe Thalmann, EPFL professor in economics and architecture, dispels ...

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