Issue # 157 _ March 2009
S&T Policy
Physics
Atomic concertina
A project funded by FAPESP helps unveil the behavior of nanostructures
By Ricardo ZorzettoEvaluation
No to hierarchy
Index to classify journals covering the humanities provokes a rebellion among editors
By Fabrício MarquesScience
Cardiology
Unrestricted flow
Defined as chronic inflammation, there are new possibilities to treat atherosclerosis
By Carlos FioravantiImmunology
Expanded protection
Anti-HVP vaccine tests on men bring about debate on who should be vaccinated
By Marcos PivettaBotany
Another form of feeding itself
Bromeliads absorb nitrogen from the urine of tree amphibians
By Maria GuimarãesEarth sciences
Ancient Waters and their stories
Remains of rainwater in caves help describe the climate for the last thousands of years
By Carlos FioravantiTechnology
Pharmacology
Fading spots
Gel made from natural latex is the most recent anti-wrinkle promise
By Carlos FioravantiNew Materials
No attrition
Film prevents wear and tear of industrial parts and could send lubricating oils into retirement
By Marcos de Oliveira