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Perspectives and Insights


Societies are complicated systems, and humans are creative and complex creatures with different points of view. The definition of progress is not the same for all people and every person brings to this planet his or her own unique set of circumstances, insights and opinions.  

However, it seems some truths are universal.  Even with opposing beliefs, disparate amounts of knowledge and patience, and controversy, there are opportunities to find common ground and solve problems that appear to be overwhelming.  

In the following, you may find a new perspective or vantage point, or some new courage.  A more philosophical point of view . . . strategies and solutions.



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Dec 28
2011

Humans (most vertebrates) descended from ancestor with 'sixth sense'

CORNELL UNIVERSITY PRESS RELEASE

ITHACA, N.Y. -- "People experience the world through five senses but sharks, paddlefishes and certain other aquatic vertebrates have a sixth sense: They can detect weak electrical fields in the water and use this information to detect prey, communicate and orient themselves.  

"A study in the Oct. 11 issue of Nature Communications that caps more than 25 years of work finds that the vast majority of vertebrates - some 30,000 species of land animals (including humans) and a roughly equal number of ray-finned fishes - descended from a common ancestor that had a well-developed electroreceptive system.

"This ancestor was probably a predatory marine fish with good eyesight, jaws and teeth and a lateral line system for detecting water movements, visible as a stripe along the flank of most fishes. It lived around 500 million years ago. The vast majority of the approximately 65,000 living vertebrate species are its descendants . . .




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