Issue # 159 _ May 2009
Cover
S&T Policy
Ecology
Green areas multiplied
Plan increases the value of secondary vegetation to expand the Atlantic forest area
By Carlos FioravantiDissemination
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Seeds of knowledge
Museum that disseminates science in an enjoyable and interactive way opens in São Paulo
By Fabrício MarquesEnergy
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Sustainable balance
Study by Embrapa updates the advantages of ethanol in combating greenhouse gases
By Fabrício MarquesScience
Genomics
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Ruminating over information
Bovine DNA sequencing opens the way to understanding and improvement in breeds
By Maria GuimarãesCellular biology
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Action on the sly
Small proteins, previousy considered waste, help regulate cells
By Carlos FioravantiZoology
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Stealthy meetings
Inter-breeding between different types of wild cats is more common than was believed
By Maria GuimarãesGenetics
Inheritance outside the family
Exchange of genes among different species is a source of debate among evolutionists
By Maria GuimarãesTechnology
New Materials
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Fiber of the future
Sisal, which is already used in polymers, may be used in the production of ethanol
By Yuri VasconcelosOil
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Challenge at the bottom of the sea
Petrobras and Unicamp are studying bacteria from oil wells that break down oil
By Marcos de OliveiraBiotechnology
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Versatile shell
Biopolymer obtained from shrimps may be used in vaccines and cosmetics
By Dinorah ErenoBiomedical Engineering
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Brain examined
Subcutaneous sensor monitors intracranial pressure in the case of accidents or illness
By Dinorah ErenoHumanities
Fine arts
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Talent from the soul
Controversial thesis by Geraldo Souza Dias on Mira Schendel brought out in luxury edition
By Gonçalo Júnior