Intermediate Word:  hauberk (a) chain mail tunic  (b gyred falcon  (c) Teutonic knight  (d) peignoir
Difficult Word: -trilby -  (a)
chanteuse  (b) meadow lark  (c) felt hat, deeply creased crown  (d) gun with silencer

Journey to the Black Hole - Space.com  A dense band of bright stars in the spiral galaxy NGC1097 functions like a galactic super-highway to transport matter from the outer edges of the galaxy towards its monstrous central black hole  A new study finds that the last leg of this journey through the galaxy’s inner region takes only about 200,000 years, much shorter than previously thought. Once the matter reaches the galactic center, it becomes fuel for the black hole and starting material for the formation of new stars.   
Earth Doomed - Science Daily  Renowned scientist James Lovelock says he believes the world has passed the point of no return for climate change, and civilization is unlikely to survive. In an extraordinarily pessimistic new assessment published in Monday's Independent, Lovelock suggests efforts to counter global warming cannot succeed, and that, in effect, it is already too late. Lovelock now believes Earth and human society face nearly complete disaster, and sooner than nearly anybody realizes. He writes, "Before this century is over, billions of us wil! l die, and the few breeding pairs of people that survive will be in the Arctic, where the climate remains tolerable."  


Exercise 'cuts Alzheimer's risk'  - BBC  Regular exercise reduces the risk of dementia and Alzheimer's disease by up to 40%, US research suggests. The University of Washington study claims to be the most definitive investigation into the effect of exercise on dementia. The Annals of Internal Medicine study found the more frail a person was, the more exercise was likely to help them. Lead researcher Dr Eric Larson said walking for 15 minutes three times a week was enough to cut the risk. The results suggested it might also help to delay progression of the condition in people. The study followed 1,740 people aged 65 and older over a six-year period. 

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