Evolution

Evolution

The origin of the butterfly

Studies based on gene and fossil analysis estimate that butterflies emerged between 120 and 100 million years ago

By

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

Genetics

Monogamy linked to interaction between 24 genes

Researchers found similar gene activity in the monogamous species of different animals

By

Archaeogenetics

Tracking the ancestry of corn

DNA reveals a complex domestication history largely set in Mexico and the Amazon

By

Video

Dinosaurs probably originated in Southern Brazil

Paleontologists talk about characteristics and origins of dinos | 10'59"

By

Philosophy of Science

New origins

Brazilian versions of the Charles Darwin classic puts into context the development of evolution theory

By

Biology

Misleading similarities between species

Animals and plants that share a great likeness do not always have similar evolutionary histories

By

OBITUARY

Science pioneer

Warwick Kerr trained teams and directed research institutions, and was always attentive to the use of scientific knowledge

By

Evolution

Male or female?

The mystery unfolds Amazonian frog species has more sex chromosomes than any other vertebrate

By

ETHOLOGY

Primate culture

Transmission of tool-use practices among capuchin monkeys helps redefine the role of traditions in evolution

By

EVOLUTION

A theory in motion

Research that looks beyond the gene suggests new directions for understanding how species diversify

By

EVOLUTION

How snakes arrived in the Galápagos

Brazilian and Ecuadorian researchers trace the routes the reptiles used to colonize the archipelago and identify three new species

By

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

Biodiversity

The isolated jaguars of Espírito Santo State

Researchers tries to to learn more about the largest feline on the continent, the jaguar

By

Carreers

Knowledge for all

Biologist Filipe Oliveira took a break from his PhD in Finland to make science more accessible in Brazil

By

EVOLUTION

Male or female? The mystery unfolds

Amazonian frog species has more sex chromosomes than any other vertebrate

By

Genetics

Chinese researchers clone monkeys using the same technique that created Dolly the sheep

Zhong Zhong and Hua Hua, of the cynomolgus species, are genetically identical

By

ENTOMOLOGY

Invisible moths

These very small Insects spend most of their lives as larvae inside stems and leaves

By

Botany

Colonization via water

Group of carnivorous plants recognized for being aquatic species originated in Brazil, indicates phylogenetic study

By

Biodiversity

The first global reptile map

An effort has mapped the global distribution of 10,064 reptile species

By

Archaeology

Homo sapiens in the middle of South America

Site near Cuiabá indicates that humans were present there 27,000 years ago

By

Ethology

Primate culture

Traditions dictate the use of tools among the monkeys of Piauí

By

careers

Dr. Bone Collector

Orthopedist Herculano Alvarenga became a paleontology specialist

By

Archaeology

Oldest Homo sapiens dating back 300,000 years found in Morocco

Oldest Homo sapiens dating back 300,000 years found in Morocco

By

PALEONTOLOGY

Reptile controversy

Proposal alters the genealogical tree of dinosaurs and divides experts

By

Paleontology

Reclassifying Dinosaurs

New proposal rearranges several dinosaurs on the family tree

By

Evolution

A silent call

Brachycephalus froglets, from the Atlantic Forest, don't hear their own calls

By

Zoology

A tree with unusual branches

Genetic analysis reveals unusual kinships between spiny rats

By

Evolution

Why snakes don’t have legs

Missing sequence of 17 base-pairs meant snakes grew no legs

By

BIODIVERSITY 

Appearances are deceiving

Integrated genetic and ecological studies reveal evolutionary processes

By