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Wednesday, 7 April 2010

Google Earth helps discover rare hominid ancestor in South Africa

Posted on 22:55 by Unknown
En Français

Today, scientists announced a new hominid fossil discovery in the Cradle of Humankind World Heritage Site in South Africa. The discovery is one of the most significant palaeoanthropological discoveries in recent times, revealing at least two partial hominid skeletons in remarkable condition, dating to between 1.78 and 1.95 million years. We are especially excited because Google Earth played a role in its discovery.


So how did this come about? Back in March 2008, Professor Lee Berger from Witswatersrand University in Johannesburg started to use Google Earth to map various known caves and fossil deposits identified by him and his colleagues over the past several decades, as it seemed the ideal platform by which to share information with other scientists. In addition, he also used Google Earth to locate new fossil deposits by learning to identify what cave sites looked like in satellite images.


At the beginning of this project, there were approximately 130 known cave sites in the region and around 20 fossil deposits. With the help of the navigation facility and high-resolution satellite imagery in Google Earth, Professor Berger went on to find almost 500 previously unidentified caves and fossil sites, even though the area is one of the most explored in Africa. One of these fossil sites yielded the remarkable discovery of a new species, Australopithecus sediba. This species was an upright walker that shared many physical traits with the earliest known species of the genus homo—and its introduction into the fossil record might answer some key questions about our earliest ancestry in Africa.

We’re absolutely thrilled about this announcement, and delighted that our free mapping tools such as Google Earth and Google Maps continue to enable both individuals and distinguished scientists to explore and learn about their world. With these tools, places both foreign and familiar can be explored with the click of a mouse, allowing for new understandings of geography, topology, urbanism, development, architecture and the environment. Our efforts to organize the world’s geographic information are ongoing — but at the end of the day, seeing the way these tools are put to use is what most inspires us.



Posted by Michael Jones, Chief Technology Advocate

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Google Earth aide à la découverte d’un ancêtre hominidé rare en Afrique du Sud

Aujourd’hui, des scientifiques ont annoncé la découverte d’un nouvel hominidé fossile sur le site du Berceau de l’Humanité, classé au patrimoine mondial, en Afrique du Sud. La découverte est l’une des plus importantes de la paléoanthropologie, mettant au jour au moins deux squelettes partiels d’hominidés dans un état remarquable, dont la datation est estimée entre 1,78 et 1,95 million d’années. Cette découverte nous passionne particulièrement parce que Google Earth n’y est pas étranger.

Voici l’histoire. En mars 2008, le professeur Lee Berger de l'Université de Witswatersrand à Johannesburg commence à se servir de Google Earth pour cartographier les grottes et gisements fossilifères connus, identifiés par lui-même et ses collègues au cours des dernières décennies, considérant qu’il s’agissait d'une plate-forme idéale pour partager l’information avec d’autres scientifiques. De plus, il se sert aussi de Google Earth pour localiser de nouveaux gisements fossilifères, en apprenant à identifier les grottes sur des images satellite.

Au début du projet, il y avait environ 130 grottes dans la région et quelque 20 gisements fossilifères. Avec l’utilitaire de navigation et les images satellite haute résolution de Google Earth, le professeur Berger a réussi à localiser près de 500 grottes et sites fossilifères non identifiés jusque là, bien que la zone soit une des plus explorée en Afrique. L’un des sites fossilifères a été le théâtre de la découverte remarquable d’une nouvelle espèce, Australopithecus sediba. Il s’agit d’une espèce à station verticale, qui partage de nombreux traits physiques avec les premières espèces connues du genre homo—et son intégration au registre fossile peut apporter des réponses à quelques-unes de questions clés sur notre premier ancêtre en Afrique.

Cette annonce nous a littéralement subjugués et nous étions ravis que nos outils gratuits de cartographie tels Google Earth et Google Maps permettent à de simples particuliers comme à de distingués scientifiques d'explorer et d’expliquer le monde. Avec ces outils, des lieux familiers ou exotiques peuvent être explorés sur simple clic, ouvrant de nouvelles perspectives en matière de géographie, topologie, urbanisme, développement, architecture et environnement. Nos efforts pour structurer les informations géographiques de la planète se poursuivent — mais, à la fin de la journée, ce qui nous passionne le plus c’est de voir comment sont utilisés ces outils.

Posté par Michael Jones, porte-parole du département technologie de Google
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