New; really ideal. See description and scans. long island: medical American, a department of Nature the USA, Inc., 2016. The April, 2016 factor of clinical American, quantity 314, quantity four. 4to, perfect-bound illustrated wraps, eighty two pp. New; thoroughly pristine and immaculate, and with the laid-in cardstock subscription bargains, all these untouched, in fact. See scans. characteristic articles: Stone Age Brains; The Neutron Enigma; Overrunning the Galapagos; Compute with residing Cells; way forward for melanoma medication; Saving Relics; micro organism in medication; How Did big Extinct Birds Fly ? And that's simply the function articles. See information on these within the experiment of the most contents web page. individually, Departments contain: From the Editor, Letters, technological know-how schedule, discussion board, Advances,The technology of well-being, Technofiles, suggested, Skeptic, Anti Gravity, 50, a hundred, and a hundred and fifty Years in the past, and image technological know-how. See scans of either contents pages for extra aspect on all of those. Shipped in a brand new, protecting field - now not a bag. LPR22
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If nothing else, all this effort has taught us that making these tools is difficult. But what we want to know is why it is so hard. Oakley and other proponents of the “Man the Tool-maker” argument thought the key to toolmaking was a “uniquely human” ability for abstract thought—that is, the ability to imagine different kinds of tools as a kind of mental template to be reproduced. I respectfully disagree. As any experienced craftsperson might tell you, knowing what you want to make is not the hard part.
25, No. 4, pages 867–875; November 2015. edu/stoutlab/publications FROM OUR ARCHIVES The Origins of Creativity. Heather Pringle; March 2013. s c i e n t i f i c a m e r i c a n . com 35 © 2016 Scientific American 36 Scientific American, April 2016 © 2016 Scientific American the neutron enıgma PA R T I C L E P H YS I C S Two precision experiments disagree on how long neutrons live before decaying. Does the discrepancy reflect measurement errors or point to some deeper mystery? By Geoffrey L. Greene and Peter Geltenbort IN BRIEF The best experiments in the world cannot agree on how long neutrons live before decaying into other particles.
Some simple changes could make digital media easier to use By David Pogue Have you ever t ried to cancel a service on a company’s Web page? You look everywhere, but you just can’t find the Cancel option. It’s almost as though the company has hidden it on purpose. You’ve just experienced the power of interface design. And as more elements of our lives become computerized—cars, elevators, ovens, refrigerators—good and bad (and sneaky) interface design is going to matter more and more. The mobile era makes the challenge even greater; it’s especially difficult to cram a lot of features into limited screen space.