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02-25-2017, 12:57 PM
The simple up-and-down motion of hand pumps could help scientists secure a key water source for 200 million people in Africa.
More... (http://www.bbc.co.uk/news/science-environment-39077761)
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More... (http://www.bbc.co.uk/news/science-environment-39077761)
From http://start.westnet.ca News
News Provided By
WestNet Wireless Internet