Issue # 123 _ May 2006

S&T Policy

Science

Ethnology

Power among monkeys

Social disputes and the capacity to track through the environment in search of food, molded the brain of primates

By Ricardo Zorzetto

Physics

The phantoms of photons

Brazilian researchers measure the entanglement of light particles, an important step in research towards the quantum computer

By Marcos Pivetta

Reptiles

The serpent's paws

Fossil found in Argentina strengthens the hypothesis on the terrestrial origin of snakes

By Francisco Bicudo

Cardiology

Drumbeats in the head

Team from FMUSP associates severe high pressure to the compression of a region of the brain by an artery

By Fabrício Marques

Genetics

The tribes of the world

Team from Minas Gerais uses news markers to group the populations of the planet

By Carlos Fioravanti

Medicine

Children: for a long and healthy life

Preventing chronic diseases may make it possible for boys and girls to reach the age of a 100 with good health

By Ricardo Zorzetto

Technology

New Materials

Flexible hard disk

Manganese-based ceramics may become conductors of electricity and improve the functioning of computers

By Francisco Bicudo

Microelectronics

Superconducting tracks

Film produced with ceramic compound prevents electricity losses

By Marcos de Oliveira

Industrial Design

Consumer Dream

Mini clothes washer can be carried in the car and hung from the ceiling or on the wall

By Dinorah Ereno

Remote sensing

Help from the sky

Unmanned aircraft can be used to increase the productivity of the country's crops

By Yuri Vasconcelos

Patents

Medicines for export

Projects developed at Unicamp will be presented by Inova in the United States

By Dinorah Ereno

Humanities

Anthropology

The battle of the plants

Ayahuasca religions may indicate a way towards a good war against drugs

By Carlos Haag

History

Specters of the military dictatorship

Recent episodes oblige academics to rethink the role of the military

By Gonçalo Júnior