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Estas imagens inéditas de Marte vão mudar a sua visão sobre o planeta

Uma duna no polo norte marciano batizada de "Kolhar", em homenagem ao escritor Frank Herbert (Foto: NASA/JPL/University of Arizona)

Fotos mostram a Terra vista do espaço

Imagem, retratada em 1 fevereiro de 2014, mostra uma vista colorida da Terra a partir da perspectiva enviada pela sonda Lunar Reconnaissance Orbiter, da Nasa (Agência Espacial Norte-Americana)






25 Best Things to Do in Tucson (AZ)

Tucson is located in Pima County in the state of Arizona. The second largest city in Arizona after Phoenix, Tucson has a population of over 500,000 inhabitants and is also home to the University of Arizona.


There may be an entire class of ant that specializes in laziness. After observing 5 different colonies of North American forest ants, two scientists from the University of Arizona found that a significant portion of ants spent their time doing nothing at all. But that might not be a bad thing. It is thought that these ants could be a back-up reserve of workers, or they might serve as guards should invasive insects stop by. Or perhaps they provide tired workers with sustenance. The purpose…

According to University of Arizona's geoscientist Paul Goddard and his colleagues, increasing greenhouse gases and melting ice caps are not the only contributor to sea level rise. Through their discovery of the four inch increase in sea level rise experienced within New York and Newfoundland between the years of 2009 and 2010, changes in ocean circulation may also pose a threat to North American coastal communities


Northern Arizona University (NAU) is #4 in the country for being one of the greenest colleges!