The research aims to produce valid information and must use reliable instruments that guarantee accurate and make it quantifiable and possible reproducibility. Allowing the exclusion or at least control prejudice of personal insights and trends that may distort the results.
Crocs Uncover
Bizarre Species
miércoles, 20 de mayo de 2009
Repair and upgrade the 19-year-old Hubble Space Telescope.
Astronaut Mike Massimino smiles outside the space shuttle Atlantis during the current mission's fourth spacewalk to repair and upgrade the 19-year-old Hubble Space Telescope.
In addition to his work on Hubble's final tune-up, Massimino made history on May 12 by becoming the first human to "tweet" from space. Using the "micro-blogging" site Twitter, the astronaut posted the 139-character message "From orbit: Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!"
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