Printed
Materials engineering
Plastic under control
System improves the production of bottles made with polymers
Retrospect
Fire and iron
In the interior of Sao Paulo, the two-hundred-year old Ipanema steel mill is restored
Letter from the editor | 113
An in-depth Brazil is worthy of attention
An in-depth Brazil is worthy of attention
Physiology
The chemistry of acupuncture
Acupuncture combat gastric ulcer and improve sleeping quality
Paleontology
The mastodon and the macrauchenia
Dating the teeth helps in the reconstruction of the Northeast's megafauna
Isaias Raw
Isaias Raw: A battling scientist
A battling scientist
By Claudia Izique and Neldson Marcolin
Ecology
Under new management
Law authorizes private management of public forest to contain deforestation
Aerospace engineering
Space for conquests
Brazil now has essential components for satellites
Energy
On the waves of the sea
Port in Ceará will have an electricity generation plant developed at UFRJ
Retrospect
Central do Brasil Station began to be built 150 years ago
Central do Brasil Station began to be built 150 years ago
Letter from the editor | 112
Of traverses and transpositions
Of traverses and transpositions