Issue # 120 _ February 2006
S&T Policy
Cloning

It was all a lie
False research results oblige Science to retract and reopen debate on science and ethics
By Claudia IziquePublic Health

Preventing before remedying
Butantan Institute starts testing with vaccine against the bird flu
Science
Medicine
Warning against constant infections
Genetic alterations can cause immunodeficiencies mistaken for diseases that are common in childhood
By Ricardo Zorzetto and Francisco BicudoCell biology

Scenes of a parasite
Brazilian biophysician discovers in Paris how the malaria protozoon spreads through the body
By Ricardo ZorzettoImmunology

Double attack
Association of chemotherapy and adult stem cells helps to control juvenile diabetes
By Marcos PivettaPhysiology

Extra energy under the skin
Component of bile activates chain of chemical reactions in the muscles that prevents obesity
By Carlos FioravantiEcology

Life amongst dry leaves
Biologists identify behavioral standards of ants from the Atlantic Rain Forest
By Alessandra PereiraPhysical
Particle shock
Experiments in USP's accelerator reveal behavior of exotic nucleuses
By Carlos FioravantiAstrophysics

Complex genesis
Two distinct but not excludent processes may originate elliptical galaxies
By Marcos Pivetta