Biology

Biodiversity

São Paulo in the Amazon region

Teams from São Paulo and Pará collaborate to prepare new researchers

By Marili Ribeiro

Brazilian birds

Natural radiator

The toucan’s beak is an efficient heat sink

By Francisco Bicudo

Ecology

Faithful gardeners

Ants help seeds to germinate in the Atlantic Forest and cerrado regions

By Maria Guimarães

Evolutionary biology

The pioneers of South America

Brazilian marsupials came before Australian kangaroos on the evolutionary scale

By Francisco Bicudo

Evolution

The Brazilian Galapagos

Lizards from São Francisco River express their own evolutionary histories

By Carlos Fioravanti

Environment

A theory endures

A lizard from the Amazon region reinforces a German geologist’s position

By Eduardo Geraque