Evolution
Video

How hummingbirds can explain other species’ extinction
Bird extinction may unleash cascade effect where these pollinators and plants interact most intensely | 2'51
By Redação
Evolution

Fight or flight
The ability of birds to fly seems incompatible with the ability to attack and defend using spurs
By Redação
Video

The uncertain identity of the pigmy marmoset
Brazilian primatologist Jean Boubli, from Salford University, in the UK, and his team, solved a 19th century mistery regarding the world's smallest monkeys | 3'47
By Redação
ARCHEOLOGY

Neanderthals and humans took turns occupying Europe
Neanderthals and humans took turns occupying Europe
By Redação
Paleoecology

Caribbean incursions
Studies back up the hypothesis that the Caribbean Sea flooded parts of the western Amazon between 23 and 10 million years ago
By Tiago Jokura
photolab

Under the feathers
To study the diversity and evolutionary history of parasites in birds, Bruno Fermino teamed up on expeditions with fellow ornithologists: some interested in birds, others in the creatures that live inside them. He thus had the opportunity to photograph species such as the yellow-chevroned parakeet (Brotogeris chiriri)—the picture above was taken in Santana do Araguaia,... View Article
By Redação
Biology

Rainforest marsupials
Study suggests opossums emerged in the Amazon about 40 million years ago
Archaeology

The enigmatic dragon man
An almost complete skull fossil that was hidden for 85 years may belong to a new species of archaic human being
By Redação
Biology

The colors and songs of evolution
Varying plumage hues and song patterns lead to the formation of new species in certain bird groups
By Marcos Pivetta and Eduardo Geraque
Video

These birds show how species arise
Ornithologist Luís Fábio Silveira, curator of the bird collections at the Zoology Museum of the University of São Paulo (MZ-USP), explains how studies with capuchino seedeaters help understanding their diversification by means of evolution | 5'46
By Redação
Video

Could these be the precursors of pterosaurs?
Study suggests that extinct small terrestrial vertebrates, the lagerpetids, were the closest relatives of those mysterious winged reptiles | 6'43
By Redação
Paleontolgy

The advanced brain of a primitive dinosaur
The brain of a well-preserved specimen of Buriolestes schultzi, one of the oldest known dinosaurs, has been reconstructed using computed tomography, suggesting an unusual evolutionary path for one of the most important lineages of this extinct group of reptiles: the sauropods
By Redação
Biodiversity

Two species of mata-mata
New analyses have revealed that there are at least two species of mata-mata
By Redação
Covid-19

Research during quarantine
Fernando Carvall“When I saw the results, I thought: this virus is going to infect everyone” The first reports about the disease in China sparked my curiosity. The Chinese discovered that the virus enters the cells via the angiotensin-converting enzyme 2 [ACE2] receptor. Its expression depends on the ACE2 gene, which plays an important role in... View Article
By Redação
Interview

Carlos Guerra Schrago: The theory and practice of evolution
The discipline that seeks to reconstruct the histories of species is itself evolving, according to UFRJ biologist
By Fabrício Marques and Maria Guimarães
Paleontology

A giant tortoise
The largest freshwater turtle that ever existed, possibly the largest of all turtles, lived between 13.8 million and 5.3 million years ago in South America, inhabiting a larger area than previously thought
By Redação
Biology

Why females live longer
The difference in lifespan between the two sexes, the researchers noted, is not due to different aging rates
By Redação
Paleontology

The extinct manatee of Rondônia
Newly discovered species lived in the Madeira River region 45,000 years ago
Pesquisa fapesp 20 years

Legacies of the genome
Magazine followed the evolution of sequencing projects that improved disease diagnosis and led to the development of innovative treatments
Video

How do rivers and floodplains influence species formation in Amazonia?
Throughout millenia, water bodies and landscape changes favor plant and animal diversification in the region
By Redação
Paleontology

Tuatara fossil discovered in Rio Grande do Sul
The oldest specimen of a sphenodon in the southern hemisphere has been found in the municipality of Candelária, in the Brazilian state of Rio Grande do Sul
By Redação