Archive: 12/18/2007
Supercomputers offer new explanation of Tunguska disaster
The stunning amount of forest devastation at Tunguska, a century ago in Siberia, may have been caused by an asteroid only a fraction as large as previously published estimates, Sandia supercomputer simulations ...
Space & Earth / Earth Sciences
Dec 18, 2007 |
4.4 / 5 (39) |
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CMS tracking detector successfully installed
Installation of the world’s largest silicon tracking detector was today successfully completed at CERN. In the early hours of Thursday 13 December the CMS Silicon Strip Tracking Detector began its journey ...
Dec 18, 2007 |
4.7 / 5 (14) |
0
ISIS Second Target Station -- protons on target
The ISIS Second Target Station Project at the STFC Rutherford Appleton Laboratory in Oxfordshire achieved a major milestone on Friday 14 December, at the first attempt and two days ahead of schedule. Protons were successfully ...
Dec 18, 2007 |
4 / 5 (3) |
0
Living in disadvantaged neighborhood equivalent to missing a year of schoo
Childhood exposure to severely disadvantaged communities is linked to decreased verbal ability later in childhood, a lasting negative effect that continues even after moving out of the neighborhood, according to research ...
Dec 18, 2007 |
4.8 / 5 (4) |
0
Vehicles That Talk to Each Other Know What Lanes They're In
A standard GPS receiver has an average 2D-positioning accuracy of about 13 meters. While this precision is high enough to direct you to your hotel, it’s quite a bit lower than the accuracy required to determine ...
Dec 18, 2007 |
4.4 / 5 (39) |
3
Measuring the density of ultra-pure water
For oceanography – and there in particular for the description of ocean currents – accurate measurements of the density of sea water are of great importance. For this purpose, measuring instruments are needed ...
Space & Earth / Earth Sciences
Dec 18, 2007 |
4.3 / 5 (6) |
0
Polymerization From the Individual Molecule's Point of View
Plastics are becoming more and more important and are an indispensable part of modern life. Scientists are thus interested in clearing up the details of polymerization processes, in which individual molecular building blocks ...
Dec 18, 2007 |
4 / 5 (2) |
0
The precise role of seminal proteins in sustaining post-mating responses in fruit flies
Successful reproduction is critical to pass genes to the next generation. In sexually reproducing organisms, sperm enter the female with seminal proteins that are vital for fertility. In a new study published on Friday, December ...
Biology /
Dec 18, 2007 |
3 / 5 (1) |
0
Study links success of invasive Argentine ants to diet shifts
The ability of Argentine ants to change from carnivorous insect eaters to plant sap-loving creatures has helped these invasive social insects rapidly spread throughout coastal California, according to a new study, displacing ...
Biology /
Dec 18, 2007 |
4 / 5 (7) |
0
Color sudoku puzzle demonstrates new vision for computing
Researchers at the University of Warwick’s Department of Computer Science have developed a colour based Sudoku Puzzle that will help Sudoku players solve traditional Sudoku puzzles but also helps demonstrate ...
Technology / Computer Sciences
Dec 18, 2007 |
4.3 / 5 (32) |
0
Brain malfunction explains dehydration in elderly
As Australia faces another hot, dry summer, scientists from Melbourne’s Howard Florey Institute have warned that elderly people are at risk of becoming dehydrated because their brains underestimate how much water they need ...
Medicine & Health / Diseases, Conditions, Syndromes
Dec 18, 2007 |
4 / 5 (1) |
0
Monkeys perform arithmetic as well as college students
Researchers at Duke University have demonstrated that monkeys have the ability to perform mental addition. In fact, monkeys performed about as well as college students given the same test.
Biology /
Dec 18, 2007 |
4.1 / 5 (29) |
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