8/21/2005:

Intermediate Word:  seraglio(a) large harem  (b) in bas-relief (c)   (d) woman's loose-fitting dressing gown
Difficult Word: - sial  (a) lubricating slime produced by slugs  (b) a gingham shift  (c) layer of rock underneath the continents  (d) nonchalance

Vanishing ice: Why Greenland's changing landscape is causing concern  - BBC  Greenland's ice is melting rapidly. In some places, glacial levels have been falling by 10 metres a year and ultimately contributing to rising sea levels. Travelling to Greenland, Richard Hollingham sees the impact of climate change for himself. It is only when you get near to the base of the glaciers that you can see how the landscape is changing. A few metres above the ice, the rock is totally bare. A scar running horizontally across the valleys. It is as if the ice has been drained away, like water in a bath, to leave a tide mark. Which is, in effect, what has happened.   
Folic acid 'cuts dementia risk'  - BBC  Eating plenty of folic acid - found in oranges, lemons and green vegetables - can halve the risk of Alzheimer's disease, a study has suggested. In this latest US study, doctors analysed data on the diets of 579 people aged 60 or over over a period of seven years to identify the relationship between dietary factors and Alzheimer's disease risk. Fifty-seven of the original participants went on to develop Alzheimer's.  The researchers found those who consumed at least the recommended daily amount of 400 micrograms of folic acid had a 55% reduced risk of going on to develop Alzheimer's compared to those consuming under that amount.  

Error may have hidden warming  - BBC  A dispute over the data for global warming may be down to the way sensors were placed on weather balloons when readings were taken in the 1970s. For years, experts sought to determine why temperature readings taken from weather balloons did not show the same increases as readings on the ground. The resulting mismatch has fuelled scepticism of global warming. Researchers at Yale University in the US say exposed instruments on the balloons may be the problem. After correcting for the problem, the researchers estimate there has been a global temperature increase of 0.2C (0.4F) per decade for the last 30 years.  




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