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New Laser-patterning Technique turns metals into dupermaterials

By zapping ordinary metals with femtosecond laser pulses researchers from the University of Rochester in New York have created extraordinary new surfaces that efficiently absorb light, repel water and...

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Next-generation sequencing offers insight into how species adapt to climate...

Next-generation sequencing allows for the creation and analysis of vast amounts of data about populations and their responses to shifting environmental conditions, including climate change. These data...

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Oxytocin improves social behavior in mice with autism

Olga Peñagarikano and colleagues show in a mouse model of autism that oxytocin can markedly improve social behavior, a benefit that can become long-lasting with early treatment. Oxytocin, a hormone...

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Chronic infection shortens lives and telomeres in birds

Great reed warblers with chronic and mild malaria infections have shorter lives and fewer offspring than uninfected birds, according to a new study by Muhammad Asghar and colleagues. Infected warblers...

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Before tools, a human-like hand in hominins?

The first stone tools don’t appear in the archaeological record until about 2.6 million years ago, but researchers have discovered that Australopithecus africanus as well as other, younger hominins...

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Gamma-ray sources detected in large magellanic cloud

The High Energy Stereoscopic System (H.E.S.S.) Collaboration has identified three sources of high-energy gamma rays in the nearby Large Magellanic Cloud (LMC) galaxy: a pulsar wind nebula, a supernova...

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Special Issue -- Rosetta Begins Its Comet Tale

This special issue of Science highlights new data from the Rosetta spacecraft, which is currently in close orbit around the Jupiter family comet known as 67P. The spacecraft, which receives funding...

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Hemin improves adipocyte morphology and function by enhancing proteins of...

Obesity has escalated in every segment of the population including children, adolescences and adults. In obesity, impaired lipid and glucose metabolism are implicated in the conundrum of...

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Study reveals how a cancer-causing virus blocks human immune response

Scientists at The University of Texas at Austin and the University of California at San Francisco have revealed how a type of cancer-causing virus outwits the human body's immune response. The...

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Effects of head injuries in historic Denmark

A study finds an increased risk of early death in men from medieval and early modern Denmark with cranial vault injuries and provides an estimate of the long-term health effects of traumatic brain...

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Climate and politics in pre-Columbian Mesoamerica

A paleoclimate record from the Cuenca Oriental, Mexico, suggests that an arid period between 500 and 1150 CE may have contributed to both the rise and fall of the city of Cantona, according to a...

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Optical nanoscale antennas

According to a study, nanoscale antennas can enhance the rate of spontaneous emission of optical energy from semiconductors. Just as radio antennas extract electrical signals from electromagnetic...

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Also of interest from the Proceedings of the National Academy of Sciences

According to a study, electrocortical activity in Broca’s area of the brains of 16 people reading sentences during neurosurgery under local anesthesia correlated with the sound frequencies of the...

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Targeted biopsy technique associated with increased detection of high-risk...

Among men undergoing biopsy for suspected prostate cancer, targeted magnetic resonance/ultrasound fusion biopsy, compared with a standard biopsy technique, was associated with increased detection of...

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Survey indicates willingness of general population to donate tissue samples...

A survey of nearly 1,600 individuals found that the majority were willing to donate tissue samples and medical information to a biobank for research and that most were willing to donate using a...

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Experimental digital quantum simulation of dynamics of interacting fermion...

Quantum simulation algorithm is used in efficient simulations of quantum systems. Recently, researchers realized experimentally digital quantum simulation of temporal-spatial dynamics of interacting...

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Disease may impact choice of biomaterial for implants

Disease can have profound effects on the way a biomaterial performs in the body, a new study shows. Taking this into account, the researchers developed a model for selecting biomaterials tailored to...

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Identifying credit card users with a few bits of data

It only takes a few bits of information -- things like where you bought coffee on Monday, or maybe where you returned a pair of shoes on Tuesday -- to re-identify you within an anonymized set of...

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Why do numbers ascend from left to right?

A new study shows that newborn chicks associate low numerical values with space to their left and higher numerical values with space to their right. The finding suggests that chicks may utilize the...

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Air circulation limited by earth’s water cycle

If global warming leads to a more intense hydrological cycle, as many models have predicted, it may also reduce the circulation of Earth’s atmosphere, according to a new study. This finding suggests...

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