30/06/2015

Galaxy survey to probe why the universe is accelerating

We know that our universe is expanding at an accelerating rate, but what causes this growth remains a mystery. The most likely explanation is that a strange force dubbed "dark energy" is driving it. Now a new astronomical ...

Scientists recruit public to help study "The Blob"

A huge mass of unusually warm water that scientists have dubbed "The Blob" has lurked off the West Coast for much of the past two years and speculation is growing that it may be connected in some way with the drought plaguing ...

Image: Unusually large number of fires across Alaska

The fire situation in Alaska is very dynamic at this time. As of June 29, 2015, there are 314 active fires in the State. Many fires in remote areas are unstaffed. The fire summary for Alaska is as follows: 2 new fires with ...

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. In this situation, ...

Early Titan was a cold, hostile place for life

Titan is a mysterious orange-socked moon of Saturn that is exciting to astrobiologists because it has some of the same kinds of chemicals that were precursors to life on Earth. It also has a hydrological cycle that allows ...

Collaboratively exploring virtual worlds

Today's students are accustomed to highly stimulating and interactive content, whether in the form of video games or mobile apps. As a result, they respond to a higher level of interactivity and engagement with educational ...

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