12/11/2008

Free software gets an education

Companies, organisations and citizens spend billions a year on licensing fees for proprietary software. Could that money not be put to better use developing free software alternatives and local expertise?

Electronic heat trap grips deep Earth

(PhysOrg.com) -- The key to understanding Earth's evolution, including how our atmosphere gained oxygen and how volcanoes and earthquakes form, is to look deep, really deep, into the lower mantleā€”a region some 400 to 1,800 ...

Light triggers a new code for brain cells

Brain cells can adopt a new chemical code in response to cues from the outside world, scientists working with tadpoles at the University of California, San Diego report in the journal Nature this week.

Super-tough sunshield to fly on the James Webb Space Telescope

Imagine sunglasses that can withstand the severe cold and heat of space, a barrage of radiation and high-speed impacts from small space debris. They don't exist, but Northrop Grumman engineers have created a Sunshield for ...

Researchers trace octopuses' family tree

Many of the world's deep-sea octopuses evolved from species that lived in the Southern Ocean, according to new molecular evidence reported by researchers at Queen's University Belfast.

New technique enables assessment of drought performance

Measurement of chlorophyll fluorescence is an effective way of determining how well plants can cope with low-water conditions. The technique described in the open access journal Plant Methods, published by BioMed Central, ...

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