Exact Sciences and Earth Sciences

Geology

Birth of a Continent

Laboratory helps reconstruct the geological history of South America

By Igor Zolnerkevic

Nanoscience

Atomic jewelry

A handful of gold and silver particles can form intriguing nanometric jewels

By Igor Zolnerkevic

Pierre Auger Observatory

Cosmic Rays, Still an Enigma

Analysis of highest-energy particles moves forward

By Carlos Fioravanti

Climate Change

In a Climate of Mobilization

Researchers are joining together to advance knowledge of global change

By Fabrício Marques