Evolution

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

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Biology

Why females live longer

The difference in lifespan between the two sexes, the researchers noted, is not due to different aging rates

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Paleontology

The extinct manatee of Rondônia

Newly discovered species lived in the Madeira River region 45,000 years ago

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Paleoanthropology

Diaspora 2.5 million years ago

Chipped stone artifacts found in Jordan may be evidence of archaic humans leaving Africa 400,000 years earlier than previously thought

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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

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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

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Tourism

Travel lessons

Travel itineraries combine science learning with exploring new horizons, allowing visitors to act as research assistants on scientific studies

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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

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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

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Archaeology

Homo sapiens in the Peloponnese

A 210,000-year-old skull fragment found in southern Greece may be the oldest evidence of the presence of modern humans outside Africa

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Evolution

A 42-million-year-old whale with legs

Its limbs were well adapted to swimming and were not suited to moving across land

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Zoology

The origin of perching birds

A group representing more than 60% of bird species originated in Australia 47 million years ago, study finds

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Evolution

The origin of the butterfly

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

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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

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Genetics

Monogamy linked to interaction between 24 genes

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

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Archaeogenetics

Tracking the ancestry of corn

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

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Video

Dinosaurs probably originated in Southern Brazil

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

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Philosophy of Science

New origins

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

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Biology

Misleading similarities between species

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

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OBITUARY

Science pioneer

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

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Evolution

Male or female?

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

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ETHOLOGY

Primate culture

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

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EVOLUTION

A theory in motion

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

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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

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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

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Biodiversity

The isolated jaguars of Espírito Santo State

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

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Carreers

Knowledge for all

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

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EVOLUTION

Male or female? The mystery unfolds

Amazonian frog species has more sex chromosomes than any other vertebrate

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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

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ENTOMOLOGY

Invisible moths

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

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