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Nature

Nature (also called the material world, the material universe, the natural world, and the natural universe) is all matter and energy, especially in its essential form.

Nature may refer to the general realm of various types of living plants and animals, and in some cases to the processes associated with inanimate objects - the way that particular types of things exist and change of their own accord, such as the weather and geology of the Earth, and the matter and energy of which all these things are composed.

It is often taken to mean the "natural environment" or wilderness - wild animals, rocks, forest, beaches, and in general those things that have not been substantially altered by human intervention, or which persist despite human intervention.

Note: This article excerpts material from the Wikipedia article "Nature", which is released under the GNU Free Documentation License.

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last updated on 2014-12-18 at 3:16 pm EST

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The Physics Behind Oracle's America's Cup Victory

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FORA.tv (Oct. 4, 2013) The Physics Behind Oracle's America's Cup Victory California Academy of Sciences - African Hall Why go fast? Compared to moving slowly, the advantages seem obvious: find food first, forage more widely, and escape more rapidly! But, in the water, being speedier incurs huge energetic costs, with moving a little bit faster skyrocketing the amount of fuel you need. This trade-off between speed and energy propels the evolutionary race for fish, robots, or sailboats: you have to find ways to go faster with ever-greater efficiency. Over generations, the evolutionary race can produce biological and engineering surprises: distantly related fish and boat hulls that have similar streamlined shapes, materials and construction techniques that manage to both stiffen and lighten bodies and hulls, specialization of propulsive systems, and constraints on making turns and tight maneuvers. While the evolutionary processes employed by nature and engineers are similar, there are important differences in how fish or boats are built. For both kinds of designers, the laws of evolution and physics interact to create and constrain the drive for speed. Dr Long will discuss how robotics research lab studies fast fish! A book signing will follow the talk for Dr. Long's latest book titled Darwin's Devices: What Evolving Robots Can Teach Us About the History of Life and the Future of Technology.
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CERN Confirms Discovery of Higgs-Boson

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New Camera Captures Bug's Eye View

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