Well...this is by far one of the craziest things I've seen in a while: letting a kid man a big power shovel and other industrial equipment. It's not like he can't, it's just a problem of what he can do if he is left alone or unsupervised. That is the issue, IMO. Anyway, this is crazy!

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The molecule slows the proliferation of tumor cells while giving the time needed to repair the damage to their DNA. The discovery, made by Italian researchers IEA, is published in Nature. The secret of immortality of cancer stem cells - those that feed it and cause relapses because they're immune to chemotherapy - was unveiled. Their strength is the p21 protein that slows the proliferation, giving them the time needed to repair damage to DNA. In practice, it is as if these cells were able to rejuvenate indefinitely: no age, and thus do not die. By blocking the production of p21, however, you can make them vulnerable and hit the tumor at the root. The research was conducted in the laboratories of the European Institute of Oncology (IFOM-IEO) in collaboration with the universities of Milan and Perugia, and was published this week in Nature. The cells age and die because they accumulate damage and mistakes borne of DNA during cell divisions. To understand why this does not happen in a cancerous stem cell, the researchers observed what happens to a staminale "normal" when you alter one of the genes (oncogenes) that cause cancer (in this case, the acute myeloid leukemia). The study revealed that oncogenes stimulate the activity of another gene, called p21, and thus the production of the corresponding protein, whose effect is to slow the proliferation. In essence, these cells have much more time to repair other damaged DNA, and remain young and active, immune to chemotherapy drugs because they recognize and affect only the cells in rapid proliferation.

A highly resistant and self lubricating material has been discovered, thanks to the formation of an oxide surface that captures the water vapor Hard as diamond and slippery as a sheet of ice. The secret of the extraordinary characteristics of Bam, a special alloy-ceramics produced by blending a mix of boron, aluminum and magnesium (AlMgB14) with titanium boride (TiB2), was unveiled by researchers of Ames Laboratory, in Iowa (Usa ), who had accidentally discovered it a decade ago. In 1999, researchers tried to obtain a substance capable of generating electricity if overheated, when, unexpectedly, found in the hands a league owned by the exceptional and seemingly inexplicable. The Bam is tough, despite possessing a complex structure, asymmetrical and not compact. Moreover, says Alan Russel of Iowa University, it is inherently slippery. One characteristic that, according to researchers, could be due to the formation on the surface of boron oxide, which can attract water molecules present in the air.

A new advanced thermometer, based on noise Johnson, increased by five times the accuracy of current systems After seven years of work, researchers from the National Institute of Standards and Technology (Nist), the U.S. organization for the development of technologies, have managed to build a new type of thermometer, Johnson Noise Thermometer (Jnt), defined by the same scientists a goal of thermometry, which advances to five times the current state of the art. The new device will in fact take measurements of extreme precision, never obtained so far, fundamental for basic research and for the definition of units of measurement. At the head of the project is Sam Benz, the Quantum Devices Group, which officially presented it on June 9th at a conference on measures of accuracy in Broomfield, Colorado. The new thermometer provides the temperature starting from noise Johnson (hence the name), generated by the random motion of electrons inside a resistance. This measure is directly proportional to the temperature, and the system makes it possible to reduce the error without any additional calibrations. "All measurements are electrical, and do not require volumes of gas or mechanical systems that sometimes, depending on environmental conditions, could give approximate results." says Benz, " beauty is that the measurement is also very simple to perform. "

The rodents, as primates, are able to learn simple abstract principles for later use in different situations... A long considered exclusive to primates appears in reality shared by other species. Having already been demonstrated in some birds in fact, the ability to apply abstract rules just learned, and to to adapt to new situations was also observed in mice. The study, published in a number of Science, was conducted by Robin Murphy of University College London. The experiments were carried out by subjecting the animals to visual and acoustic stimuli. In the first phase mice, divided into three groups, have responded to three different sequences of visual stimuli, consisting of the sequence of light and dark. For each group only a sequence was associated with the food. After an initial period of "training", the mice were able to distinguish between those identifying sequences associated with reward.

Presented today, the Italo-Spanish computer Janus, has a high level of parallelism, in which the architecture of physical connections is established when you run the program! He was baptized Janus, as the Roman god Janus Bifronte, dual supercomputer programmability, where the programmer decides not only what instructions to follow but also, with the same lines of code, which is the exact structure of links physical on which the program should be run.