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As eucalyptus cultivation increases in the southeastern United States to provide feedstock for pulpwood, landscape mulch and an emerging bioenergy market, there is concern regarding potential invasiveness. Recently, models to predict the likelihood of invasiveness have produced conflicting results. Our uncertainty about invasion risk and the relative values we hold for environmental and industry protection...
Orb-weaving spiders depend upon their two-dimensional silk traps to stop insects in mid flight. While the silks used to construct orb webs must be extremely tough to absorb the tremendous kinetic energy of insect prey, webs must also minimize the return of that energy to prey to prevent insects from bouncing out of oscillating webs. We therefore predict that the damping capacity of major ampullate...
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