News tagged with society
Porphyrin Dimers Increase Efficiency of Dye-Sensitized Solar Cells
Oct 30, 2009 |
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(PhysOrg.com) -- Porphyrins are most commonly thought of as the pigment in red blood cells, but now scientists have found that porphyrins can also be used to increase the efficiency of an inexpensive type ...
Scientists Make Ink Disappear, Make Paper Reusable
Oct 27, 2009 |
3.1 / 5 (16) |
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(PhysOrg.com) -- Despite ongoing efforts to save the trees, many offices print high volumes of paper documents on a daily basis. Although many companies encourage paper recycling, both disposing of and recycling ...
How Did Evolution Begin?
Sep 28, 2009 |
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(PhysOrg.com) -- Life's ability to replicate itself is essential for evolution, yet even the simplest kind of replication requires a relatively complex system. So what kind of non-replicating system might ...
Scientists Build Nanostructures out of Single DNA Strands
Nanotechnology / Bio & Medicine
Sep 08, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- With its unique double-helical structure, DNA has the ability to be used as a programmable building material to construct designer nanoscale architectures. Complex DNA architectures could ...
Winning While Losing: New Strategy Solves 'Two-Envelope' Paradox
Aug 18, 2009 |
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(PhysOrg.com) -- Researchers from Australia have taken a step toward resolving a seemingly simple yet unsolved paradox known as the "two-envelope" problem. They’ve worked out a new strategy that can enable ...
New Law of Physics Could Explain Quantum Mysteries
Aug 17, 2009 |
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(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...
Black Holes in Star Clusters stir up Time and Space (w/ Video)
Dec 16, 2009 |
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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 ...
Music and speech based on human biology (w/ Video)
Medicine & Health / Neuroscience
Dec 03, 2009 |
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(PhysOrg.com) -- A pair of studies by Duke University neuroscientists shows powerful new evidence of a deep biological link between human music and speech.
First black holes may have incubated in giant, starlike cocoons
Nov 24, 2009 |
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(PhysOrg.com) -- The first large black holes in the universe likely formed and grew deep inside gigantic, starlike cocoons that smothered their powerful x-ray radiation and prevented surrounding gases from ...
Accidental discovery produces durable new blue pigment for multiple applications
Nov 16, 2009 |
4.5 / 5 (33) |
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An accidental discovery in a laboratory at Oregon State University has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan ...
Orphan army ants join nearby colonies
Nov 04, 2009 |
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(PhysOrg.com) -- Colonies of army ants, whose long columns and marauding habits are the stuff of natural-history legend, are usually antagonistic to each other, attacking soldiers from rival colonies in border ...
'Beneficial' effects of alcohol?
Oct 14, 2009 |
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According a new study of over 3,000 adults aged 70-79, the apparent association between light-to-moderate alcohol consumption and reduced risk of functional decline over time did not hold up after adjustments ...
'Missing link' pterosaur found in China
Other Sciences / Archaeology & Fossils
Oct 13, 2009 |
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(PhysOrg.com) -- An international group of researchers from the University of Leicester (UK), and the Geological Institute, Beijing (China) have identified a new type of flying reptile - providing the first ...
Symmetrical brains can be an advantage
Oct 01, 2009 |
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(PhysOrg.com) -- Many studies have found widespread asymmetry in the brains of different species, including humans, and most have assumed asymmetry is advantageous. A new paper, published in the Proceedings of ...
Yawning toons make an ape gape
Sep 08, 2009 |
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Computer animations of yawning chimpanzees provoke the same irresistible grins in real chimps, according to an unusual study released Wednesday.
