News tagged with theory
Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
Dec 16, 2009 |
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(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
Their infinite wisdom
Dec 14, 2009 |
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(PhysOrg.com) -- Hotel guests come and go. But in the first decade of the 1900s, a pair of frequent Russian visitors to the Hotel Parisiana, near the Sorbonne on Paris' Left Bank, stood out vividly. The children ...
Bacteria wouldn't opt for a swine flu shot
Dec 16, 2009 |
3 / 5 (6) |
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Bacteria inhabited our planet for more than 4 billion years before humans showed up, and they'll probably outlive us by as many eons more. That suggests they may have something to teach us.
Experiential learning teaches change and adaptation
Dec 15, 2009 |
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Economics, environmental impacts, social dynamics, and production levels are all major factors that influence the overall success of an agroecosystem. Positive or negative, these factors enact change on the system, forcing ...
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Old math reveals new thinking in children's cognitive development
Dec 11, 2009 |
4.6 / 5 (5) |
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Five-year-olds can reason about the world from multiple perspectives simultaneously, according to a new theory by researchers in Japan and Australia. Using an established branch of mathematics called Category Theory, the ...
New Technology Allows Geophysicist To Test Theory About Formation of Hawaii (w/ Podcast)
Space & Earth / Earth Sciences
Dec 11, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- If you've ever been to Hawaii, you probably spent your time enjoying the scenery of the beautiful islands, rather than wondering how they got to be there in the first place. But that's just what scientists ...
Sick of swine flu? Toxic algae could be the next big threat
Dec 15, 2009 |
3 / 5 (2) |
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With a new theory surfacing that toxic algae rather than asteroids killed the dinosaurs, scientists are still trying to unravel the mystery of what caused a massive algae bloom off the Northwest Coast that left thousands ...
Negative emotions outweigh intent to exercise at health clubs
18 hours ago |
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Time and time again, it has been documented that regular exercise has many health benefits including lowering risks associated with the comorbidities of obesity. With only 30% of Americans trying to lose weight meeting the ...
Spirit Mars Rover: Unexpected Wheel-Test Results
Space & Earth / Space Exploration
Dec 15, 2009 |
5 / 5 (6) |
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(PhysOrg.com) -- Diagnostic tests were run on Spirit's right-rear wheel and right-front wheel on Sol 2013 (Dec. 12, 2009).
Black Holes in Star Clusters stir up Time and Space (w/ Video)
Dec 16, 2009 |
4.7 / 5 (15) |
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(PhysOrg.com) -- Within a decade scientists could be able to detect the merger of tens of pairs of black holes every year, according to a team of astronomers at the University of Bonn’s Argelander-Institut ...
Scientists Investigate Cause of 'Singing Dunes'
Dec 15, 2009 |
4.3 / 5 (17) |
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(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
Researchers revise long-held theory of fruit-fly development
15 hours ago |
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For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
Drug for Alzheimer's disease does not appear to slow cognitive decline
Medicine & Health / Medications
Dec 15, 2009 |
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Although there were promising results in a phase 2 trial, patients with mild Alzheimer disease who received the drug tarenflurbil as part of a phase 3 trial did not have better outcomes on measures of cognitive decline or ...
Researcher studies the universe through quantum electrodynamics
14 hours ago |
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(PhysOrg.com) -- Fundamental constants, such as the standards for length and mass, are a given in our society. However, research has shown that these constants might be changing slightly with the expansion of the universe.
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