Wednesday, 9 September 2015

Scientists Discover World's Oldest Stone Tools

http://ecowatch.com/2015/09/08/world-oldest-stone-tools/?utm_source=EcoWatch+List&utm_campaign=0eab3e8529-Top_News_9_8_2015&utm_medium=email&utm_term=0_49c7d43dc9-0eab3e8529-85946369


"We often know more than we can tell .." MIchael Polanyi

"We 'always' know more than we can tell .." Arthur Lake
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Sketches from scratches is a provocative blogspot that has grown out of the Wuh Lax experience. It is eclectic, which means that it might consider just about anything from the simple to the extremely difficult. A scratch can be something that is troubling me or a short line on paper. From a scratch comes a verbal sketch or image sketch of the issue or subject. Other sites have other stuff that should really be of interest to the broad reader. I try to develop themes, but variety often comes before depth. ... more!