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Extracts from a silicone rubber product were characterized by gel-permeation chromatography (GPC), matrix-assisted laser desorption/ionization time-of-flight (MALDI-ToF) mass spectrometry, Fourier transform infrared spectroscopy (FT-IR), electrospray time-of-flight (ESI-ToF) mass spectrometry and gas chromatography/mass spectrometry (GC/MS). The extracted sample was determined to be a complex mixture with a molecular weight ranging from 200 to 210,000 Da as determined from GPC measurements. GPC fractions of the extract sample were further analyzed by MALDI-ToF mass spectrometry, ESI-ToF mass spectrometry, FT-IR spectroscopy and GC/MS. The extracted products were determined to be macrocyclic poly(dimethylsiloxane) oligomers. Two additives known as bis(2-ethylhexyl) adipate and bis(2-ethylhexyl) phthalate were observed in the extract.

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On the Ground: • Animals are critical components of rangeland ecosystems, and domestic livestock provide an extremely important management tool on rangelands. • Decades of research have yielded much valuable information to support sustainable and effective grazing management, but increased complexity resulting in part from expanding environmental, economic, and societal pressures demands future investments in usable science focused on rangeland animals. • Three priorities for usable science are recommended: • Proactive drought planning • Better matching livestock production systems to rangeland resources • Comprehensive synthesis of and effective communication concerning environmental impacts (positive, negative, and neutral) of livestock on rangelands.

These are hard times. It seems that the harder we try, the poorer we become. Cash which flowed like a Mississippi of money in the 1980s has dried to a fitful trickle, seeped without a trace into deserts of debt in the arid 1990s. What went wrong? Whatever did we do to bring about this impoverishment? Do you understand what the hell is happening to our capitalist economy? I'm dammed if I do.