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
lunes, 21 de septiembre de 2009
Book Says Da Vinci Hid Biblical References
Leonardo Da Vinci used mirrors to hide biblical images in his most famous masterpieces, according to a controversial new book.
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