Evolution
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
Evolution
3.8-million-year-old skull
A nearly complete hominid skull dated at 3.8 million years old has led to new conclusions about the origins of the genus
By Redação
Evolution
A 42-million-year-old whale with legs
Its limbs were well adapted to swimming and were not suited to moving across land
By Redação
Retrospect
The other evolutionist
Alfred Wallace, a lesser-known contributor to the theory of evolution, explored the Amazon between 1848 and 1852, where he collected specimens, wrote, and sketched
By Carla Aranha
Genetics
Monogamy linked to interaction between 24 genes
Researchers found similar gene activity in the monogamous species of different animals
By Redação
Archaeogenetics
Tracking the ancestry of corn
DNA reveals a complex domestication history largely set in Mexico and the Amazon
Video
Dinosaurs probably originated in Southern Brazil
Paleontologists talk about characteristics and origins of dinos | 10'59"
By Redação
Philosophy of Science
New origins
Brazilian versions of the Charles Darwin classic puts into context the development of evolution theory
Video
New species of colorful fish stuns researchers
Discovery off the São Pedro and São Paulo Archipelago is evidence of a unique and little known fauna
By Redação