Search results for contrast ratio:
DNA study sheds new light on horse evolution
11 hours ago |
5 / 5 (1) |
29
(PhysOrg.com) -- Ancient DNA retrieved from extinct horse species from around the world has challenged one of the textbook examples of evolution - the fossil record of the horse family Equidae over the past ...
Disagreement Over Mammography Task Force Study
Dec 09, 2009 |
not rated yet |
0
When a government-appointed panel of experts released new guidelines last month calling for fewer routine mammograms, they were met with public confusion, political outrage, and a media storm that left women ...
Non-invasive technique blocks a conditioned fear in humans
Medicine & Health / Psychology & Psychiatry
Dec 09, 2009 |
4.5 / 5 (2) |
1
Scientists have for the first time selectively blocked a conditioned fear memory in humans with a behavioral manipulation. Participants remained free of the fear memory for at least a year. The research builds on emerging ...
People affected by autism believe increase is 'real,' not diagnostic
Dec 09, 2009 |
4.5 / 5 (2) |
1
There has been a major increase in the number of children diagnosed with autistic spectrum disorders over the last two decades - the question is why? Researchers have found a sharp difference between the beliefs of ordinary ...
Sparkly Spiders and Photonic Fish
Dec 09, 2009 |
4.5 / 5 (2) |
0
(PhysOrg.com) -- Scientists in Israel and the UK have uncovered the details of how certain fish and spiders create their iridescent scales and silvery skins.
Grinch likely depressed, suffers from lack of love, joy, expert says (w/ Video)
Medicine & Health / Psychology & Psychiatry
Dec 08, 2009 |
5 / 5 (6) |
3
(PhysOrg.com) -- Being irritable, grumpy and seeking social isolation are also hallmarks of depression, and could explain the Grinch's disdain for the Who -- the tall and the small -- his mistreatment of his dog Max and, ...
Social scientists build case for 'survival of the kindest'
Other Sciences / Social Sciences
Dec 08, 2009 |
4.1 / 5 (26) |
46
(PhysOrg.com) -- Researchers at the University of California, Berkeley, are challenging long-held beliefs that human beings are wired to be selfish. In a wide range of studies, social scientists are amassing ...
The utility of EUS and CEH-EUS in the diagnosis of small pancreatic tumors
Dec 08, 2009 |
not rated yet |
0
Endoscopic ultrasonography (EUS) is a highly sensitive diagnostic method for the detection of small pancreatic carcinomas. Recently, there have been some reports describing the utility of contrast-enhanced harmonic EUS (CEH-EUS) ...
Study on land plant fossils shows Paleoasian Ocean disappeared about 251 million years ago
Space & Earth / Earth Sciences
Dec 08, 2009 |
4.3 / 5 (3) |
0
A latest discovery of land plant fossils from Heilongjiang, Northeast China shows that the Siberian Plate sutured with the North China Plate at the end of the Permian, and resulted in the final closure of the Paleoasian Ocean ...
Cosmic rays hunted down: Physicists are closing in on the origin of cosmic rays
Dec 07, 2009 |
4.4 / 5 (11) |
4
(PhysOrg.com) -- A thin rain of charged particles continually bombards our atmosphere from outer space. The mysterious particles were first detected 100 years ago but until 10 years ago when a new type of ...
Study finds new relationship between gene duplication and alternative splicing in plants
Dec 07, 2009 |
not rated yet |
0
University of Georgia scientists looking to understand the genetic mechanisms of plant defense and growth have found for the first time in plants an inverse relationship between gene duplication and alternative ...
The thalamus, middleman of the brain, becomes a sensory conductor
Medicine & Health / Neuroscience
Dec 07, 2009 |
4.2 / 5 (5) |
1
Two new studies show that the thalamus--the small central brain structure often characterized as a mere pit-stop for sensory information on its way to the cortex--is heavily involved in sensory processing, and is an important ...
Scientists Generate Black Hole Radiation in the Lab
Dec 07, 2009 |
4.2 / 5 (25) |
6
(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...
Now where was I again?
Medicine & Health / Psychology & Psychiatry
Dec 07, 2009 |
4 / 5 (2) |
0
Although the actual interruption may only last a few moments, the study shows that we then lose more time when we try to find our place and resume the task that was interrupted.
You've Got Freedom: AOL ends ties with Time Warner
Dec 06, 2009 |
not rated yet |
0
(AP) -- AOL is shaking loose from Time Warner Inc. and heading into the next decade the way it began this one, as an independent company. Unlike in the 1990s, though, when AOL got rich selling dial-up Internet ...
