Intermediate Word:  arcane (a) understood by only a few  (b) arched  (c) remote  (d) constructed of wicker
Difficult Word: - sackbut 
(a) knob at the back of the skull  (b) a ne'er-do-well  (c) triangular stringed instrument  (d) fanny pack

Bugs In Space Survive Key Test On Foton-M2 - SpaceDaily  Left:  Electron microscopic image of lichen following post-flight analysis. The cells are complete and not broken.  One of the main focuses in the search for living organisms on other planets and the possibilities for transfer of life between planets currently centres on bacteria, due to the organisms simplicity and the possibility of it surviving an interplanetary journey exposed to the harsh space environment. This focus may develop to encompass more advanced organisms following the results of an ESA experiment on the recent Foton-M2 mission where it was discovered that lichens are very adept at surviving in open space. During the Foton-M2 mission, which was launched into low-Earth orbit on 31 May 2005, the lichens, which came from two different species (Rhizocarpon geographicum and Xanthoria elegans) were exposed for a total 14.6 days before being returned to Earth.    
Robotic Assembly Of Fuel Cells Could Hasten Hydrogen Economy - SpaceDaily   A new research project at Rensselaer Polytechnic Institute aims to tackle the challenge of mass production by using robots to assemble fuel cell stacks. "The U.S. Department of Energy has suggested that the cost of manufacturing fuel cells is the single biggest obstacle on the road to the hydrogen economy," says Raymond Puffer, co-director of the FMC. "We are addressing a component that represents a major portion of the total systems cost: the stack assembly in a proton exchange membrane (PEM) fuel cell."    

The big wave: Science believes it is close to something truly astounding  - BBC  Many expect it to be one of the biggest scientific breakthroughs of our age: "There'll certainly be a Nobel Prize in it for somebody," says Jim Hough. The Glasgow University scientist has been chasing these "ripples" in space-time for more than 30 years and feels certain he is now just a matter of months away from bagging his quarry. "It will be a big event for two reasons: it will be yet another confirmation that Einstein's Theory of General Relativity is correct, but it will also open up a new kind of astronomy that will allow us to look inside the most violent events in the Universe."  

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