From Science.org: “In 2016, when the U.S. Congress unleashed a flood of new funding for Alzheimer’s disease research, the National Institute on Aging (NIA) tapped veteran brain researcher Eliezer Masliah as a key leader for the effort. He took the helm at the agency’s Division of Neuroscience, whose budget—$2.6 billion in the last fiscal year—dwarfs the rest of NIA combined. His roughly 800 research papers, many on how those conditions damage synapses, the junctions between neurons, have made him one of the most cited scientists in his field. However, a Science investigation has now found that scores of his lab studies are riddled with apparently falsified images used to show the presence of proteins and micrographs of brain tissue. Numerous images seem to have been inappropriately reused within and across papers, sometimes published years apart in different journals, describing divergent experimental conditions.”
A Lego fan has made a working version of a Turing machine out of Lego
From The Register: “A working Turing Machine was submitted to Lego Ideas, consisting of approximately 2,900 parts and a bucketload of extreme cleverness. The original machine was devised by mathematician Alan Turing in 1936. Turing’s idea was a hypothetical system that could simulate any computer algorithm. The design consisted of an infinitely long tape with symbols that could be moved left and right, a ‘head’ that could read the symbols and overwrite them with new ones, a finite control that described the machine’s state, and a table to link each combination of state and symbol to an instruction for what to do next. The Lego builder first came across the concept a few years ago and, despite it being an abstract model, decided to attempt making one. In addition to the constraints of making the device, there was also the challenge of fitting into the limits imposed by Lego Ideas. At the time of submission, this was 3,000 parts.”
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