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Letter from the editor | 71
On pollution, genetics and the economy
On pollution, genetics and the economy
Engineering
Efficient, clean and economical
Recent technologies promote recycling and do not pollute the environment
Chemical engineering
Artificial nose detects gases
Petroleum sector invests in portable sensor for areas of risk
MATERIALS ENGINEERING
Innovative filter in agriculture
Recycled and ground glass is the base for the compound tested to remove waste
nutrition
Information on the dish
Survey of green vegetables is intended to improve food in this country
Literature
The knight of wisdom
Astrojildo Pereira dedicated himself to think a cultural policy for Brazil
Interview
Leopoldo de Meis: Science with art and emotion
Leopoldo de Meis, 63 years old, is an exceptional figure from the Brazilian scientific community. Graduated in medicine from the Federal University of Rio de Janeiro (UFRJ), professor of Biochemistry at UFRJ’s Institute of Biomedical Sciences and one of the most respected researchers in his area, he publishes non-stop in the most important scientific magazines... View Article
History
Brazil has always been a party
Book shows how celebration have evolved and influenced our history
companies
IBGE takes to the field
Survey is going to evaluate the efforts in innovation of Brazilian industry
Interview
Esper Cavalheiro: From the theoretical to the practical
The new president of the CNPq, the neurologist Dr. Esper Cavalheiro, spoke about scholarships, the Tundisi Report and the role of development agencies.
Letter from the editor | 70
Good news to finish the year
Good news to finish the year
materials Engineering
Building for the future
New materials result in a more durable concrete
Energy
The Competence of UniTech
A PIPE company participates in the construction of a fuel cell in Minas
Retrospect
Forgotten Innovation
An invention of some 133 years ago, which modified the immersed hull of ships, was one of the first Brazilian technological researches to have repercussions in the exterior
History
The unknown “Chicas da silva”
Survey shows that many freed slaves climbed up the social ladder
Book
The ABC of speaking with the hands
The language of the deaf and dumb is set out in a dictionary
Materials Engineering
In the mouth of the furnace, new steelworks
New materials improve the efficiency of steel making sector