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This web page news-on-science.blogspot.com states the following, "LATEST SCIENCE AND TECHNOLOGY NEWS IN THE WORLD." We saw that the webpage said " Wednesday, April 17, 2013." It also said " Why do humans cry? A new reading of the old sob story. We all cry, but what biological function does it serve, and why are humans the only species to shed tears of sorrow and joy? When it came to solving the riddle of the peacocks tail, Charles Darwins powers of evolutionary deduction were second to none the more extravagant their feathered displays, he reasoned, the. Saturday, July 7, 2012." The header had science as the highest ranking optimized keyword. It is followed by technology, biology, and computers which isn't as ranked as highly as science. The next words news-on-science.blogspot.com used was space.