Intermediate Word:  tor -  (a) twisted metal neck band  (b) rock pile on hilltop  (c) unit of atmospheric pressure   (d) divot
Difficult Word: - grum  (a) small fish   (b) patch of plants on a beach  (c) mud scraper  (d) type of slumgullion

High-Tech Spacesuits Eyed for ‘Extreme Exploration’  - Space.com  Future explorers on the Moon and Mars could be outfitted in lightweight, high-tech spacesuits that offer far more flexibility than the bulky suits that have been used for spacewalks in the 1960s. Research is under way at the Massachusetts Institute of Technology (MIT) on a Bio-Suit System that incorporates a suit designed to augment a person’s biological skin by providing mechanical counter-pressure.
Microbes In Colorful Yellowstone Hot Springs Fueled By Hydrogen - SpaceDaily  Microbes living in the brilliantly colored hot springs of Yellowstone National Park use primarily hydrogen for fuel, a discovery University of Colorado at Boulder researchers say bodes well for life in extreme environments on other planets and could add to understanding of bacteria inside the human body. The team's findings, based on several years of research at the park, refute the popular idea that sulfur is the main source of energy for tiny organisms living in thermal features. "Hydrogen is the most abundant element in the universe. If there is life elsewhere, it could be that hydrogen is its fuel," Spear said.    

Lunar probe's amazing images  - BBC  The European-built Smart-1 spacecraft has sent back its first close-up images of the Moon, showing the cratered landscape in glorious detail. Smart-1 entered its initial lunar orbit on 15 November 2004 and has spent the two months since spiralling ever closer to the Moon and testing instruments. The pictures were taken in a period during 29 December 2004 and 3 January 2005, when the probe's ion engine was switched off allowing scientists to make observations. The Smart-1 team plans to build up a full map of the lunar surface. The team plans to later integrate high-resolution images observed from a lower altitude into this map. 

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