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Maria Guimarães

Archaeology

The interconnected peoples of ancient Amazon

Road networks connected villages as far as 10 km apart and interwove their cultures in pre-Columbian periods

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Obituary

The pharmacy of plants

Elisaldo Carlini, a pioneer in the study of medicinal plants and cannabis compounds, dies at 90 years of age

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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

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Pharmacology

Medicines from Cannabis

Based on its proven efficacy for epilepsy, cannabidiol has become the target of intensive research

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Interview

Eunézio Antonio Thoroh de Souza: The voice of graphene

A physicist and opera singer from Minas Gerais has created a research center to turn basic science into high-tech products

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Interview

Lauro Barata: The network of natural wealth

A chemist promotes connections in order to turn plant substances into applied products

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Interview

Paulo Moutinho: Standing in the forest

Biology, economics, and biking trips help the ecologist think about sustainable development in the Amazon

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Interview

Eunézio Antonio Thoroh de Souza: The voice of graphene

A physicist and opera singer from Minas Gerais has created a research center to turn basic science into high-tech products

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Retrospect

The lost flies of genetics

On the centenary of the birth of Crodowaldo Pavan, who was central to the development of Brazilian genetics, insects continue to spur research

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Ecology

Selective hosts

Flowers exploit color and odor to hide from or attract specific bees

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Obituary

Breaking barriers

One of the pioneers of the study of particles, Elisa Frota-Pessôa participated in the founding of CBPF

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INTERVIEW

Glaucius Oliva: Complex structures

Self-declared molecule tamer, physicist marries scientific research with administrative management

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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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Biochemistry

Green, yellow, or red

Bioluminescence research sheds new light on the mechanisms behind firefly colors

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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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Archaeogenetics

When indigenous people occupied Lagoa Santa

Ancient DNA reveals rapid human colonization of South America 14,000 years ago

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BOTANY

The roots of knowledge

Installed a decade ago in its own building at Quinta da Boa Vista, the herbarium survived intact

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ZOOLOGY

Saved fauna

The National Museum and USP Zoology Museum hold vast animal collections that can be difficult to preserve

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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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ECOLOGY

Artists on an Expedition, Biologists in the Museum

Amazonia: Os novos viajantes exhibition in São Paulo brings together art and science

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CHEMISTRY

Natural lighting

The chemical process underlying the bioluminescence of mushrooms is recyclable and flexible

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Epidemiology

Breaking boundaries

Real-time genome sequencing reconstructs the trajectory of Zika virus across the Americas

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ECOLOGY

Between water and land

The tendency toward more torrential rains could change the course of rivers and wetlands in the Pantanal region

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INTERVIEW

Benedito Braga: A fundamental right

World Water Council President Benedito Braga discusses his expectations for this month's World Water Forum in Brasília

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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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ECOLOGY

The gears of the forest

The loss of more than 60% of native vegetation within a region leads to profound changes in how it operates

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INTERVIEW

Peter Lees Pearson: From micro to macro, a finder of solutions

Chromosome expert proposes ways to improve Brazilian universities

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COVER

Taking cities out of the emergency room

Transforming urban areas into healthy environments requires progress

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