Geography
Record
In space and the deep sea
American geologist, oceanographer and former astronaut Kathy Sullivan, 68, is the first person to walk in space and to dive to the deepest point of the ocean
By Redação
Astronomy
High-resolution moon
Researchers have produced the first detailed digital map of the Moon's entire surface
By Redação
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The unpublished collections of Celso Furtado and Joaquim Nabuco recently donated to research institutions promise new revelations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