Mystery spiral galaxy arms explained?

Mystery spiral galaxy arms explained?

Space & Earth / Astronomy

created Apr 10, 2007 | popularity 4.3 / 5 (43) | comments 0

Using a quartet of space observatories, University of Maryland astronomers may have cracked a 45-year mystery surrounding two ghostly spiral arms in the galaxy M106.


Assistive robot adapts to people, new places

Assistive robot adapts to people, new places

Electronics / Robotics

created Apr 10, 2007 | popularity 4.2 / 5 (29) | comments 0

In the futuristic cartoon series "The Jetsons," a robotic maid named Rosie whizzed around the Jetsons' home doing household chores--cleaning, cooking dinner and washing dishes.


Physicists Find Light-sensitive Molecule Can Heal Itself in the Dark

Physics / General Physics

created Apr 10, 2007 | popularity 4.5 / 5 (29) | comments 0

Sometimes all an overworked molecule needs is a good night’s rest. According to a study by physicist Mark Kuzyk and colleagues at Washington State University, a molecule that loses its ability to fluoresce when struck by ...


Tropical forests: Earth's air conditioner

Tropical forests: Earth's air conditioner

Space & Earth / Earth Sciences

created Apr 10, 2007 | popularity 4.5 / 5 (23) | comments 0

How effective are new trees in offsetting the carbon footprint? A new study suggests that the location of the new trees is an important factor when considering such carbon offset projects. Planting and preserving ...


Review: Red Hat Enterprise Linux 5 -- Some Assembly Required

Technology / Software

created Apr 10, 2007 | popularity 2.7 / 5 (15) | comments 0

Version 5 of Red Hat's Red Hat Enterprise Linux operating system hit the streets last month, complete with a truckload of updated open-source components and brand-new support for server virtualization - courtesy of the Xen ...


Computer scientists develop P2P system that promises faster music, movie downloads

Technology / Computer Sciences

created Apr 10, 2007 | popularity 4.3 / 5 (24) | comments 0

A Carnegie Mellon University computer scientist says transferring large data files, such as movies and music, over the Internet could be sped up significantly if peer-to-peer (P2P) file-sharing services were configured to ...


For the first time the LHC reaches temperatures colder than outer space

Physics / General Physics

created Apr 10, 2007 | popularity 4.5 / 5 (29) | comments 0

Geneva, 10 April 2007. The first sector of CERN's Large Hadron Collider (LHC) to be cooled down has reached a temperature of 1.9 K (-271°C), colder than deep outer space.


Math of elections says voters win with 'winner take all'

Other Sciences / Mathematics

created Apr 10, 2007 | popularity 3 / 5 (26) | comments 0

If we want individuals and small groups to have the democratic power to elect the president fairly, we must score presidential elections by winner-take-all states--not in a single giant national district too large for small ...


Nanoparticles improve delivery of medicines and diagnostics

Nanotechnology / Bio & Medicine

created Apr 10, 2007 | popularity 4 / 5 (9) | comments 0

Tiny, biodegradable particles filled with medicine may also contain answers to some of the biggest human health problems, including cancer and tuberculosis. The secret is the size of the package.


Fluorsence: On and Off

Structural basis for photoswitching in fluorescent proteins brought into focus

Physics / General Physics

created Apr 10, 2007 | popularity 3.9 / 5 (9) | comments 0

University of Oregon scientists have identified molecular features that determine the light-emitting ability green fluorescent proteins, and by strategically inserting a single oxygen atom they were able ...


Microsoft ANI Patch Causes Problems with Third-Party Apps

Technology / Software

created Apr 10, 2007 | popularity 3.2 / 5 (11) | comments 0

Microsoft updates its hotfix to address problems in a handful of thirdy-party programs.


Study shows earthquakes may quickly boost regional volcanoes

Study shows earthquakes may quickly boost regional volcanoes

Space & Earth / Earth Sciences

created Apr 10, 2007 | popularity 3.7 / 5 (6) | comments 0

Scientists using NASA satellite data have found strong evidence that a major earthquake can lead to a nearly immediate increase in regional volcanic activity.


Behavioural tests probe ray and shark colour vision

Behavioural tests probe ray and shark colour vision

Biology /

created Apr 10, 2007 | popularity 4 / 5 (2) | comments 0

University of Queensland researchers have shown stingrays, once thought to be colour-blind, may be capable of seeing in colour.


Mongoose pups work together to wheedle food out of carers

Biology /

created Apr 10, 2007 | popularity 4.3 / 5 (3) | comments 0

Mongoose pups use their littermates to gain more food from their carers. Researchers at the University of Cambridge found that a unique system of pup care reduces competition for adult help, allowing pups to collectively ...


Whales migrate more than 5,100 miles

Biology /

created Apr 10, 2007 | popularity 2.9 / 5 (7) | comments 0

U.S. scientists have found humpback whales migrate more than 5,100 miles from Central America to Antarctica -- a record mammalian migration.




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