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Brain responses to emotional images predict PTSD symptoms after Boston Marathon bombing

By Guest PostAugust 31, 2014Healthaleks kotwica, amygdala, brain activity, daniel martin, entwicklungshilfe mit mathematik, himalayan powerhouse, james horscroft, mri, pattern, post traumatic, predict, sherpas, stress disorder, superhuman energy efficiency, terrorist attack, trauma, treating hypoxia, university of washington, wissen fuer morgen, wolfram koepf

The area of the brain that plays a primary role in emotional learning and the acquisition of fear – the amygdala – may hold the key to who is most vulnerable to post-traumatic stress disorder.

Researchers at the University of Washington, Boston Children’s Hospital, Harvard Medical School and Boston University collaborated on a unique opportunity to study whether patterns of brain activity predict teenagers’ response to a terrorist attack. (more…)

Decolonisation of British and French Empires

By Guest PostMay 7, 2014Politics20th century, british, cold war, damaging effects, election year, empire, Europe, french, heliothis subflexa, heliothis virescens, historian, pattern, revolutionizing politics, ruth edge, second world war, seong gyu lee, stan freck, university of exeter, world war

Britain’s impending withdrawal from Afghanistan and France’s recent dispatch of troops to the troubled Central African Republic are but the latest indicators of a long-standing pattern.

Since 1945 most British and French overseas security operations have taken place in places with current or past empire connections. Most of these actions occurred in the context of the contested end of imperial rule or decolonisation. Some were extraordinarily violent; others, far less so. (more…)

Sexual conflict affects females more than males, says new research on beetles

By Guest PostApril 28, 2014Natureashish chouhan, cdk2na, female, fischereidruck, fuel cell technology, heat pump, krabbenfischerei, male, mating, p16, pattern, smad4, university of exeter, vessel monitoring system, xergy inc

Researchers at the University of Exeter have found that sexual conflict over mating impacts the parental care behaviour and reproductive productivity of burying beetles.

These beetles have surprisingly complex parental care, similar in form to that provided by birds such as robins or blackbirds, with offspring begging to be fed by touching parents, who respond by regurgitating partially digested food.

Both males and females provide parental care, but females are the primary care givers, as in humans. So anything that affects the ability of females to provide parental care, such as costly mating, is likely to reduce overall reproductive productivity. (more…)

‘Melbourne Shuffle’ secures cloud data

By Guest PostMarch 31, 2014Technologyamazon web services, arxiv, brown university, cloud computing, cloud data, data access, dirty, elektroauto, eli upfal, encryption, eu projekt, pattern, verkehrsforscher, verkehrssystem

Encryption might not be enough for all that data stored in the cloud. An analysis of usage patterns — which files are accessed and when — can give away secrets as well. Computer scientists at Brown have developed an algorithm to sweep away those digital footprints. It’s a complicated series of dance-like moves they call the Melbourne Shuffle.

PROVIDENCE, R.I. [Brown University] — To keep data safe in the cloud, a group of computer scientists suggests doing the Melbourne Shuffle. (more…)

Yale researchers reconstruct facial images locked in a viewer’s mind

By Guest PostMarch 25, 2014Sciencebrain activity, europaeische vogelwelt, fmri scan, grandmas, kristen hawkes, marvin chun, neurobiology, pair bonds, pattern, people pair up, yale researcher, yale university

Using only data from an fMRI scan, researchers led by a Yale University undergraduate have accurately reconstructed images of human faces as viewed by other people.

“It is a form of mind reading,” said Marvin Chun, professor of psychology, cognitive science and neurobiology and an author of the paper in the journal Neuroimage. (more…)

Mole Crowdsourcing: There could be an App for That

By Guest PostJanuary 1, 2014Healthandy j king, cancerous moles, clinical skin examinations, communication technology, decision-making, douglas grossman, jakob jensen, mole crowdsourcing, pattern, robert w gehl, skin cancer, texas tech university, united states, university of utah

University of Utah researchers identify new technique for identifying cancerous moles

Have you ever had a strange mole on your body and wondered if it was skin cancer? The best move is to schedule an appointment with a dermatologist, but many wait without realizing they could be dealing with melanoma.

Researchers at two universities – the University of Utah and Texas Tech University – have recently identified a new technique for handling this problem: Ask a crowd. (more…)

‘Tiger stripes’ underneath Antarctic glaciers slow the flow

By Guest PostNovember 30, 2013Environmentantarctic glaciers, antarctic ice, bed of rock, british antarctic survey, climate change, douglas macayeal, Europe, flow of glaciers, friction zones, massive antarctic glaciers, mathematical modeling, North America, olga sergienko, pattern, pine island glacier, princeton university, richard hindmarsh, satellite measurements, sea-level rise, sediment, thwaites glacier, tiger stripes, university of chicago, warming climate, west antarctica

Narrow stripes of dirt and rock beneath massive Antarctic glaciers create friction zones that slow the flow of ice toward the sea, researchers at Princeton University and the British Antarctic Survey have found. Understanding how these high-friction regions form and subside could help researchers understand how the flow of these glaciers responds to a warming climate.

Just as no-slip strips on flooring prevent people from slipping on a wet floor, these ribs or “tiger stripes” — named in reference to Princeton’s tiger mascot — provide friction that hinders the glaciers from slipping along the underlying bed of rock and sediment, the researchers report online in the journal Science. (more…)

Risk of Amazon Rainforest Dieback is Higher than IPCC Projects

By Guest PostOctober 23, 2013Environmentamazon rainforest dieback, amazonian dry season, austin, climate change, dry season, global warming, human caused deforestation, ipcc projects, lei huang, lei yin, limiting factor, pattern, rainfall measurement, risk, robert dickinson, rong fu, signal of deforestation, southern amazonia, sudip chakraborty, university of texas

AUSTIN, Texas — A new study suggests the southern portion of the Amazon rainforest is at a much higher risk of dieback due to stronger seasonal drying than projections made by the climate models used in the latest report by the Intergovernmental Panel on Climate Change (IPCC). If severe enough, the loss of rainforest could cause the release of large volumes of the greenhouse gas carbon dioxide into the atmosphere. It could also disrupt plant and animal communities in one of the regions of highest biodiversity in the world. (more…)

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