The Flag Of Earth

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The Flag of Earth is a public domain design that can be used freely by everyone. It shows the blue “sphere” of the earth against the larger yellow arc of the sun, orbited by a white moon, against the black field of space.

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http://en.wikipedia.org/wiki/Image:CadleFlagEarth.svg

http://www.flagofearth.com/history.html

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Giordano Bruno – highly readable review of a new biography

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I always think a good review can be as useful to read and absorb as a book, in this modern age of information compression, sorting, and filtering. If you are interested in the history and character of Giordanao Bruno, this page is worth visiting.

I find the emphasis on […]

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1 year 4 months ago

From this article:

His argument is based on the fact that for more than 99 per cent of human evolutionary history, we have lived as hunter-gatherer communities surviving on our wits, leading to big-brained humans. Since the invention of agriculture and cities, however, natural selection on our intellect has effective stopped and mutations have accumulated in the critical “intelligence” genes.

“I would wager that if an average citizen from Athens of 1000BC were to appear suddenly among us, he or she would be among the brightest and most intellectually alive of our colleagues and companions, with a good memory, a broad range of ideas and a clear-sighted view of important issues,” Professor Crabtree says in a provocative paper published in the journal Trends in Genetics.

“Furthermore, I would guess that he or she would be among the most emotionally stable of our friends and colleagues. I would also make this wager for the ancient inhabitants of Africa, Asia, India or the Americas, of perhaps 2,000 to 6,000 years ago,” Professor Crabtree says.

“The basis for my wager comes from new developments in genetics, anthropology, and neurobiology that make a clear prediction that our intellectual and emotional abilities are genetically surprisingly fragile,” he says.

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