ED. 196 | JUNE 2012

S&T POLICY

The limits of difference

Women expand their territory in science and face the challenge of matching men at the top of their careers

Laser on nanotubes

A professor from UFMG receives an international prize for his contribution to nanoscience

SCIENCE

A second sun

Star in the Dragon constellation is an almost perfect copy of the heavenly object that lights up the Earth

The living rocks of Abrolhos

The coast of Espírito Santo and Bahia are home to the largest bank of calcareous algae in the world

The bacteria that ate pterosaurs

Fossils of microorganisms have been found on the crest of the flying reptile that lived 115 million years ago

The exterminator of amphibians

Animal trafficking may spread fungus that is lethal for toads and frogs

Among pioneers

Luiz Edmundo de Magalhães took part in the consolidation of genetics in Brazil

Medicine and poison

Compound used for treating cancer damages heart cells

TECHNOLOGY

Unbeatable forests

Suzano invests in energy and products to replace oil derivatives

Assai plastic

Seed of tropical fruit is raw material used to replace bones in the skull

Welcome waste

Biodiesel by-product can be used to suppress dust in vehicles used in mines

Ethanol savings

Dual-fuel engines get good mileage from ethanol

HUMANITIES

The onset of remembering

The belated creation of the Truth Commission shows Brazil’s peculiar way of dealing with its legacy of human rights violations

An industry in the shadows

The Argentine motion picture industry chose to be commercial, whereas the Brazilian motion picture industry, linked to the State, still depends on government funding

Between theorems and railways

Debate on positivist mathematics led to pure science in Brazil

Libertines did not live only for sex

An analysis of books censored in the eighteenth century suggests that the authors were guided by reason rather than by dissipation