Researchers have created a way to store data in the form of DNA – a material that lasts for tens of thousands of years. The new method makes it possible to store at least 100 million hours of high-definition video in about a cup of DNA.
"Dopamine leads to maintain the level of activity to achieve what is intended. This in principle is positive, however, it will always depend on the stimuli that are sought: whether the goal is to be a good student or to abuse of drugs"
Tomohiro Kinoshita with 3D model of 9-month fetus in acrylic resin, and small phone charm. Photo: AFP. A firm in Japan is offering expectant moms and dads the ability to purchase a 3D-printed model of their unborn child.
The very first building in the world with a shading system consisting of live micro-algae is being built in the suburb of Wilhemsburg in Hamburg. The “algae house” will be complete in 2013 and will comprise approximately 200 square meters of such elements.
Designed for the International Building Exhibition in Hamburg, the zero-energy house will be the first real-life test for the new façade system. Algae in the bio-reactor façades grow faster in bright sunlight to provide more shade. The bio-reactors power the building by capturing solar thermal heat and producing biomass that can be harvested.
The BIQ house was designed by Splitterwerk Architects, in collaboration with Colt International, Arup, and SSC. Arup’s Europe Research Leader, Jan Wurm, said: To use bio-chemical processes for adaptive shading is a really innovative and sustainable solution so it is great to see it being tested in a real-life scenario. As well as generating renewable energy and providing shade to keep the inside of the building cooler on sunny days, it also creates a visually interesting look that architects and building owners will like. The building is due to be completed in March 2013, and it will allow scientists, engineers, and builders the opportunity to assess the full potential of the system as a green alternative.
Cambridge University scientists say they have seen four-stranded DNA at work in human cells for the first time and wonder if it might provide a target for the development of novel anti-cancer treatments.
Researchers have begun to show that it is possible to use brain recordings to reconstruct aspects of an image or movie clip someone is viewing, a sound someone is hearing or even the text someone is reading. A new study by University of Pennsylvania and Thomas Jefferson University scientists brings this work one step closer to actual mind reading by using brain recordings to infer the way people organize associations between words in their memories.
Epilepsy patients who volunteered for the study while awaiting brain surgery had tiny electrodes implanted in their brains, which allowed researchers to precisely observe electrical signals that would not have been possible to measure outside the skull. While recording these electrical signals, the researchers asked the participants to study lists of 15 randomly chosen words and, a minute later, to repeat the words back in whichever order they came to mind.
The researchers examined the brain recordings as the participants studied each word to home in on signals in the participant’ brains that reflected the meanings of the words. About a second before the participants recalled each word, these same “meaning signals” that were identified during the study phase were spontaneously reactivated in the participants’ brains.
Because the participants were not seeing, hearing or speaking any words at the times these patterns were reactivated, the researchers could be sure they were observing the neural signatures of the participants’ self-generated, internal thoughts.
Critically, differences across participants in the way these meaning signals were reactivated predicted the order in which the participants would recall the words. In particular, the degree to which the meaning signals were reactivated before recalling each word reflected each participant’s tendency to group similar words (like “duck” and “goose”) together in their recall sequence.
Since the participants were instructed to say the words in the order they came to mind, the specific sequence of recalls a participant makes provides insights into how the words were organized in that participant’s memory.
According to the news site RocketNews24, the Japanese company Chaku Perfume has "developed a new communication service in the way of an iPhone application and device called “Chat Perf,” which can send smells across cyber space. Amazing!"
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