Connecting parallel rail tracks, scissors crossovers typically consist of four turnouts and a central diamond crossing, while flange-way gaps provide wheel flange clearance at the points of rail intersection. Guardrails, supported through base-plates, provide wheel guidance in the area of the gap. In the Athens Metro, within less than a year in operation, fracturing of a vast number of guardrai...

In the April number of this Gazette reference was made to the measures which had been adopted to deal with cholera and prevent it, if possible, taking on an epidemic form in, the villages adjacent to the labour forces and amongst the coolies engaged upon the construction of the bridge across the Lower. Granges. Our chief cholera season coincides with the greater part of the earthwork coolies' w...

Just as for people, a new year is a good time for a journal to stop, look back, and start a new beginning, hoping for a good season ahead. This is what we have been doing each year in the Croatian Medical Journal for the last twenty years. We will probably never stop doing this, even when we become an august journal, because the world of scientific publishing rapidly changes. This year, we pres...

20B Natut'al Areas Journal ABSTRACT: Invasive species challenge ll1illwgcrs or natural areilS. III nlilily ecosyslems, rcslori'ng , . " .. I. I· . I· I· . 1 I' dl1\! maintaining pre .. hls(OfiC {lStur '<lllce regllnes promotes native )IOt Iverslty an( contro s Invasive pl;!n species. We report challenges in applying patch-burn grazing to rcstore the ecological interaCtiolt between lire and herh...

U niversity professors have seasons that, in certain neighborhoods in the vicinity of large research campuses such as where I live, loom even larger than those dictated by our planet's journey around the sun. Right now we are deeply entrenched in the one I call hunting seasonjob hunting, that is. It starts ramping up in early fall with a surge in postings for faculty positions and pilgrimages ...