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BTN LiveBIG: Penn State's 'Da Vinci' merges art and science to address global water crisis

Leonardo da Vinci’s wide-ranging work influenced many scientists and artists who came after him. But Penn State art professor B. Stephen Carpenter II is probably one of a few who was especially inspired by the work the great Italian thinker did on the wrong side of the law. 603 more words

Katadyn Gravity Camp 6L review

http://www.katadyn.com

These filters simply use the power of gravity to filter water and therefore require no pump action or battery power. This makes them particularly suitable for use around camp, where the filter will continue to work without any interaction from the user, freeing up time to set up tents/cook etc. 569 more words

Testing