How Did Evolution Begin?

How Did Evolution Begin?

Chemistry / Biochemistry

created Sep 28, 2009 | popularity 4.3 / 5 (28) | comments 17

(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 ...


Mad genius: Study suggests link between psychosis and creativity

Medicine & Health / Genetics

created Sep 28, 2009 | popularity 4.5 / 5 (26) | comments 10

Vincent van Gogh cut off his ear. Sylvia Plath stuck her head in the oven. History teems with examples of great artists acting in very peculiar ways. Were these artists simply mad or brilliant? According to new research reported ...


Photoshopped Images Could Carry Warnings in France

Photoshopped Images Could Carry Warnings in France

Technology / Other

created Sep 28, 2009 | popularity 4.6 / 5 (19) | comments 16

(PhysOrg.com) -- A law has been proposed in France that would see digitally enhanced images carry a warning to viewers that the image has been retouched to change the physical appearance of a person. The proposed ...


Time Lens

Time Lens Speeds Up Optical Data Transmission

Physics / Optics & Photonics

created Sep 28, 2009 | popularity 4.8 / 5 (15) | comments 7

(PhysOrg.com) -- Researchers at Cornell University have developed a device called a "time lens" which is a silicon device for speeding up optical data. The basic components of this device are an optical-fiber ...


Hyenas

Hyenas cooperate, problem-solve better than primates

Biology / Plants & Animals

created Sep 28, 2009 | popularity 4.9 / 5 (14) | comments 4

(PhysOrg.com) -- Spotted hyenas may not be smarter than chimpanzees, but a new study shows that they outperform the primates on cooperative problem-solving tests.


Stretching opens up possibilities for graphene

Stretching opens up possibilities for graphene

Nanotechnology / Nanomaterials

created Sep 28, 2009 | popularity 4.9 / 5 (13) | comments 1

(PhysOrg.com) -- Researchers say they have found a simple way to improve the semiconducting properties of the world’s thinnest material - by giving it a good tug.


The discovery of new Earths is imminent, UD astronomer says

The discovery of new Earths is imminent, UD astronomer says

Space & Earth / Astronomy

created Sep 28, 2009 | popularity 4 / 5 (16) | comments 4

(PhysOrg.com) -- Harry Shipman, Annie Jump Cannon Professor of Physics and Astronomy at the University of Delaware, told the audience for his lecture, “Seeking New Planets,” on Saturday evening, Sept. 26, ...


Rare earths are vital, and China owns them all

Space & Earth / Earth Sciences

created Sep 28, 2009 | popularity 4.1 / 5 (11) | comments 8

Rare earths may not be on most investors' radars, but they are certainly in almost any high-tech item they use -- and in the world of rare earths, China is king.


Textile antenna promises futuristic communications

Textile antenna promises futuristic communications

Technology / Engineering

created Sep 28, 2009 | popularity 4.3 / 5 (10) | comments 2

(PhysOrg.com) -- With a simple press on his shirt insignia, the captain of the Star Ship Enterprise could send and receive messages. Now, thanks to the efforts of a Finnish company, this futuristic communication ...


Spallation Neutron Source

Spallation Neutron Source first of its kind to reach megawatt power (w/ Podcast)

Physics / General Physics

created Sep 28, 2009 | popularity 4.8 / 5 (9) | comments 0

(PhysOrg.com) -- The Department of Energy's Spallation Neutron Source (SNS), already the world's most powerful facility for pulsed neutron scattering science, is now the first pulsed spallation neutron source ...


Orgasms, sexual health and attitudes about female genitals

Orgasms, sexual health and attitudes about female genitals

Medicine & Health / Psychology & Psychiatry

created Sep 28, 2009 | popularity 3.1 / 5 (12) | comments 6

An Indiana University study published in the September issue of the International Journal of Sexual Health found that women who feel more positively about women's genitals find it easier to orgasm and are mo ...


Whose Internet is it, anyway?

Whose Internet is it, anyway?

Technology / Internet

created Sep 28, 2009 | popularity 4.5 / 5 (8) | comments 3

(PhysOrg.com) -- Last week, the new chairman of the Federal Communications Commission, Julius Genachowski, broke with precedent by proposing federal rules that enforce Net neutrality -- the principle that ...


The trilogy is complete -- GigaGalaxy Zoom Phase 3

The trilogy is complete -- GigaGalaxy Zoom Phase 3

Space & Earth / Astronomy

created Sep 28, 2009 | popularity 4.5 / 5 (8) | comments 1

The newly released image extends across a field of view of more than one and a half square degree — an area eight times larger than that of the full Moon — and was obtained with the Wide Field Imager attached ...


Sea level stargazing: Astronomers make key sighting with Florida telescope

Space & Earth / Astronomy

created Sep 28, 2009 | popularity 4 / 5 (9) | comments 0

(PhysOrg.com) -- This summer, University of Florida astronomers inaugurated the world's largest optical telescope on a nearly 8,000-foot mountaintop 3,480 miles away. But it was a far more modest observatory, located just ...


Nanotech researchers develop artificial pore

Nanotech researchers develop artificial pore

Nanotechnology / Bio & Medicine

created Sep 28, 2009 | popularity 5 / 5 (7) | comments 0

(PhysOrg.com) -- Using an RNA-powered nanomotor, University of Cincinnati (UC) biomedical engineering researchers have successfully developed an artificial pore able to transmit nanoscale material through ...




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