Almost two decades after its discovery at Fermilab’s Tevatron collider experiments, the top quark is still under the spotlight due to its connections to some of the most interesting puzzles in the Standard Model. The Tevatron has been shut down two years ago, yet some interesting results are coming out of the CDF and D0 collaborations. The LHC collider at CERN produced two orders of magnitude m...

Abstract Introduction Gallstone ileus is a rare complication of gallstones that occurs in 1%-4% all cases bowel obstruction. We present surprising case gallstone causing small obstruction 19 years after open cholecystectomy. Case Report A 77-year-old male presented with 3-day history abdominal pain, 4 episodes vomiting and absolute constipation. He had surgical background an cholecystectomy app...

For nearly two decades, J. Baird Callicott has been writing and teaching at the frontier of ethical theory. Perhaps more than almost anyone else, Callicott has been working to extend this frontier in ways that correct the anthropocentric bias of many moral thinkers. Not merely a philosopher who writes about environmental issues, Callicott has been creating a new environmental ethics, one ground...

Primary headache belongs to a big group of neurological diseases in which there is not a discrete, structural lesion of the CNS but an impairment in the function of neuronal networks... Along with dysfunction in the pain control systems, there is an impaired ability of biological function to adjust, or better to displayan adaptive response, to internal or external environmental change... Migrai...