Video: Near-miss by asteroid 2013 NJ
Earlier today the near-Earth asteroid 2013 NJ sailed by, coming as close as 2.5 lunar distances—about 960,000 km/596,500 miles.
Space Exploration
Nov 27, 2013
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27/11/2013
New technique for dataset cluster detection
(Phys.org) —A persistent problem for mathematicians trying to understand the structures of networks – in datasets representing relationships among everything from galaxies to people – is community detection: finding ...
Computer Sciences
Nov 27, 2013
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Manipulative parasites hijack hornets
Hornets put fear into the minds of most, but there is a parasite that the hornets fear (if indeed they are capable of fear). Sphaerularia vespae is a parasitic nematode that infects the Japanese yellow hornet (Vespa simillima). ...
Plants & Animals
Nov 27, 2013
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Indirect study of Earth's core
The center of the Earth is about 6,371 kilometers or 4, 000 miles away, roughly the distance between Phoenix and the North Pole.
Earth Sciences
Nov 27, 2013
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Trypanosoma parasite linked to woylie decline
New research led by Murdoch University's School of Veterinary and Life Sciences suggests the catastrophic decline of the endangered woylie may be linked to common infections with Trypanosoma parasites.
Plants & Animals
Nov 27, 2013
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UCLA scientists helping get to bottom of giant fish story
"Wow, that's one big fish!" That was the reaction of everyone at UCLA's Translational Research Imaging Center when a monster fish story became reality in the form of a rare 14-foot, 250-pound oarfish, whose snake-like carcass ...
Plants & Animals
Nov 27, 2013
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Ecosystems threatened by fire suppression-only policy
In late July, UC Berkeley fire ecologist Scott Stephens was working in Stanislaus National Forest, gathering data on how a century had altered its character. What he saw were the signs of a clear and present danger.
Environment
Nov 27, 2013
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Image: 1983 ESA Spacelab sled experiment
A test subject sitting on Sled, an ESA experiment launched on Spacelab-1 on 28 November 1983. Sled investigated space sickness by monitoring eye movement as the seat moved horizontally and tilted while cold or hot air was ...
Space Exploration
Nov 27, 2013
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Single-stem blueberry "tree" may lower production costs
An Oregon State University researcher aims to lower production costs for growers by creating a new kind of blueberry that develops as a tree instead of the traditional bush.
Ecology
Nov 27, 2013
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Study finds social interactions drive extremism
Murdoch University-led research has found that social interaction is a key mechanism in individuals radicalising into extremists.
Social Sciences
Nov 27, 2013
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