Issue # 207 _ May 2013
S&T Policy
Science
Geology
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Why the earth shakes in Brazil
Seismologists propose a new explanation for earthquakes in Brazil
By Igor Zolnerkevic and Ricardo ZorzettoBIOCHEMISTRY
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The triple helix effect
Triple-stranded DNA may regulate the expression of certain genes
By Marcos PivettaTechnology
Computing
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Identification at a distance
"Intelligent" tags using radio signals to count and track objects are conquering new markets
By Evanildo da SilveiraCOSMETICS
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Evaluation of Brazilian hair straightening — the progressive blow-dry
Carbocisteine used in place of formaldehyde is analyzed with techniques developed by KosmoScience
By Dinorah Ereno