Issue # 129 _ November 2006

S&T Policy

Diffusion

Within the reach of all

Free access to scientific articles gains ground and changes the strategy of publishing houses

Global warming

Al Gore's crusade

A film by the ex-Vice-President of the United States abuses political marketing in order to convert skeptics to the defense of the environment

Science

Pollution

Smoke screen

São Paulo, Mexico City and Santiago would save US$ 165 billion spent on medical treatment if they were to improve the quality of the air

Malaria

Master in disguises

Genetic variability makes it possible for the Plasmodium to dribble past the defenses of the human organism

Zoobotany

Imperiled sanctuaries

The analysis of pollens and tectonic movements question the theory about the isolation of plants and animals

Theory

The forbidden city

Brazilian teams collaborate in the effort to bring together the physics of the infinitely small to that of the infinitely large

Technology

Cattle raising

Very Brazilian

Embrapa intensifies studies with breeds that have arisen in Brazil and form a rich genetic heritage

Biochemistry

Propolis against cancer

Synthetic compounds inspired on the resin from bees are effective in the treatment of tumors

Dentistry

No barriers to breathing

Intraoral plate is an alternative for preventing snoring and improving sleep

Biomedical Engineering

Light and image

System developed by small business makes it possible to carry out several skin examinations in a single environment

Engineering

Technical aid

For seven years now, an IPT program has been attending to micro and small companies

Humanities

Literature

Concrete obsession

Now dead for three years, the poet and essayist Sebasti