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"Archaeologists excavate the Gesher Benot Ya'aqov site in Israel in an undated photo. Photograph courtesy Gonen Sharon, Hebrew University of Jerusalem Mati Milstein in Tel Aviv, Israel for National Geographic News January 12, 2009 It's long been thought that so-called modern human behavior first arose during the middle Stone Age, in "modern" humans-Homo sapiens. But a new study suggests modern living may have originated roughly 500,000 years earlier-courtesy of one of our hairy, heavy-browed ancestor species. At the prehistoric Gesher Benot Ya'aqov site in northern Israel, researchers have found the earliest known evidence of social organization, communication, and divided living and working spaces-all considered hallmarks of modern human behavior. The former hunter-gatherer encampment dates back as far as 750,000 years ago, and must have been built by Homo erectus or another ancestral human species, archaeologists say. Homo sapiens-our own species-emerged only about a couple hundred thousand years ago, fossil record suggest. At the site, researchers found artifacts including hand axes, chopping tools, scrapers, hammers and awls, animal bones, and botanical remains buried in distinct areas. "Different tasks"-from nut processing to seafood preparation-"were taking place in different locations in the site," said archaeologist Naama Goren-Inbar, who led the excavation. "The modification of basalt tools was done in proximity to the fireplace but, on the other hand, flint [sharpening] was done on the other end of the site in association with where we found a lot of fish teeth," said Goren-Inbar, of Hebrew University's Institute of Archaeology in Mount Scopus, Israel. Traditionally, the search for the earliest signs of modern human behavior has focused on Homo sapiens sites from the middle Stone Age (roughly 300,000 to 50,000 years ago), due to the preponderance of evidence found at them in the past. (Related: "Prehistoric Bones Point to F

"SAN DIEGO -- At a discussion of "Is Google Good for History?" here Thursday, there weren't really any firm "No" answers. Even the harshest critic here of Google's historic book digitization project confessed to using it for his research and making valuable finds with the tool. But that doesn't mean Google Books wasn't criticized. In a discussion at the annual meeting of the American Historical Association, scholars questioned the way Google has organized the books project and whether it was doing enough in quality control. At the same time, though, many comments suggested deep appreciation for the company's efforts. And some suggested that Google has become something of an unfair target for academics who pay little attention as other companies charge college and university libraries high fees for their materials. Over the course of the discussion, not only did Google take a few hits, but so did librarians and professors (although the Google representative left it to the academics to criticize themselves)."

"Here at emotionr, the most important connections we make are tied to emotions. We combine the full functionality of a social networking site with micro-blogging tools so that you can share your proudest moments with the people who matter most in your life. We're also an online emotional journal for times when you need to get in touch with what you're feeling. Sometimes, the important connections we make are the ones we make with ourselves. "

OnlineOCR es un servicio gratuito basado en OCR (reconocimiento óptico de caracteres, por sus siglas en inglés) que permite convertir documentos impresos digitalizados (captura de imágenes, de fax, fotografías) en documentos electrónicos editables como PDF, Microsoft Word, Microsoft Excel, RTF, HTML y TXT. Basta con subir el documento escaneado (archivos PDF, imágenes, etc) a la página web, introducir el código Captcha y pulsar el botón "Recognize". OnlineOCR puede procesar documentos en 28 idiomas, incluido el español. Es recomendable configurar los idiomas necesarios, al reconocer el texto.