Issue # 105 _ November 2004
S&T Policy
publication
Showcase of Iberian American science
The SciELO Network hits the 200-title mark and is considered a model for free access to on-line articles
By Claudia Iziquedisclosure

The knowledge adventure
More than 1,800 events mark the National Science and Technology Week
biosecurity

One more round
The Senate authorizes research with stem cells and reestablishes the powers of the CTNBio
By Claudia IziqueScience
Biochemistry

Form and function
Two new pieces of equipment place the country in the front line of the study of structure and action of proteins
By Ricardo Zorzetto and Ruth Helena Bellinghinibiology
In the rivers of Brazil
Biologists register 2,122 species of fish in the fresh water rivers of Brazil
By Francisco BicudoTechnology
Pharmacology

Protection for the skin
Extract from the Pariparoba exercises antioxidant action against the sun and should reach the market shortly
By Dinorah Erenometallurgy

Metallic recycling
Scrap is transformed into the raw material used in the production of aluminum alloys
By Yuri VasconcelosAgriculture

A seed to germinate
Northeastern region gains a new variety of pale-skinned, drought resistant peanut
By Marcos de Oliveirachemistry

Marking traits
Lead for pencils and propelling pencils gain more resistance with the incorporation of a nanocompound
By Sylvia Leite