Geography
Geography

Human activity alters river mouths
Amazon River delta is shrinking by 1 km2 per year because of siltation
By Redação
Environment

How to monitor forest fires
Data from NASA and INPE satellites confirm an increased number of fires in the Amazon
By Marcos Pivetta and Rafael Garcia
Geology

Why the Nile is so unchanging
The Nile has followed the same path in North Africa for almost 30 million years
By Redação
Environment

Forestry budgets
Researchers examine why some conservation areas receive more public funding than others
Archival science

Memories Revealed
The unpublished collections of Celso Furtado and Joaquim Nabuco recently donated to research institutions promise new revelations
Geography

Boundaries between the Amazon and the Cerrado
In the Brazilian states of Mato Grosso, Pará, Tocantins, and Goiás, some areas classified as Cerrado are, in fact, part of the Amazon
By Redação
Geography

The wandering North Pole
The North Magnetic Pole has been moving faster than expected from Canada toward Siberia, Russia, in recent years
By Redação
Ecology

The fragile DNA of sharks
Overfishing could further decrease the naturally low genetic diversity of some commercially valuable species
By Suzel Tunes
Photolab

Pre-Columbian Culture
Fragments of ceramic figures indicate that at the time there was a cultural connection between peoples across South America
By Redação
Sociology

Immigrants stimulate the economy in European countries
A study assessing immigration to Europe between 1985 and 2015 has concluded that immigrants have a positive effect on the continent's economy
By Redação
Remote Sensing

Groundwater seen from space
A new satellite system will soon resume collecting aquifer data from around the globe
Geography

A world unequally connected by rivers and roads
Researchers produced a global map that estimates the travel time from any point in the world to the nearest city with 50,000 or more inhabitants
By Redação
Botany

Colonization via water
Group of carnivorous plants recognized for being aquatic species originated in Brazil, indicates phylogenetic study
By Suzel Tunes
Geoscience

Scars of a cataclysm in Central Brazil
Meteorite impact 250 million years ago caused earthquake and tsunami
By Redação
Biodiversity

The first global reptile map
An effort has mapped the global distribution of 10,064 reptile species
By Redação