Issue # 162 _ August 2009

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Cover

Domestic version
Ipen develops technique for producing radioactive seeds and filaments to treat tumors By
Inversed order
Radiotherapy and chemotherapy may reduce need for radical surgery on rectal tumors By
Living with Cancer
Discoveries about cell interactions strengthen prospects for controlling rather the eliminating tumors By

S&T Policy

Scientific Production

The language barrier

A study suggests a correlation between researchers' productivity and their competence in writing English

By

Climate change

Vulnerable megacities

Panel discusses impact of global warning on Rio de Janeiro and São Paulo

Energy

Sustainable solutions

Experts from several countries meet to discuss the future of biofuels

By

Science

Neurology

Less meat, more fish

Diets rich in omega 3 fatty acids may offer protection against epilepsy

By

Mathematical physics

Borderless biodiversity

Computer simulation indicates that species may form without geographical isolation

By

Physics

A turbulent state

Brazilian researchers observe a new version of a quantum phenomenon

By

Physiology

Tropical solution

Lizards and squirrels deal with oxygen variations during hibernation in different ways

By

Genomics

Now, the details

International collaboration starts the full sequencing of sugarcane

By

Medicine

Exercises to fight apnea

Alternative therapy reduces the symptoms of respiratory sleep disturbance by 60%

By

Medicine

The risks of "red eye" flights

Airplane pilots made almost 50% more mistakes during flights in the wee hours of the morning than during other times of day

By

Technology

Aerospace Engineering

A Brazilian perspective

New monitoring camera made by Opto for Cbers-3 to be tested in China

By

Engineering

Saving Power

New alternative to save power by leaving electrical devices on standby

By

Biomaterials

Blend of metals

Orthopedic prostheses become more efficient and compatible

By

Agriculture

Fighting the yellow dragon

Studies and solutions to fight greening, the disease that has been attacking Brazilian citriculture since 2003

By

Humanities

Urbanism

An architect of change

Collection of essays transformed into a book highlights the essence of Lina Bo Bardi's humanistic thinking

By

Literature

Reader, my friend, my equal, my brother

Sade's letters were a laboratory in which the Marquis engendered his libertarian philosophy and which reveal his modernity

By

History

Mortal calculations

Studies on the "diplomacy of the camps" and the "Holocaust economy" reveal the banal subtleties of evil

By