Maria Guimarães

Zoology

The explosive evolution of snakes

A combination of genetic, ecological, and morphological data reveals the secrets of success behind these legless reptiles

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Zoology

Wildcats from the Andes and Central America differ to those found in Brazil

Complex that includes Leopardus tigrinus and L. guttulus gains new species, L. pardinoides, all in danger of extinction

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Cover

Travel itinerary

The Tumucumaque Mountains National Park (PNMT) is isolated from urban areas, leaving the forest unaltered by human activity

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Cover

Amazonian Giants

Expedition investigates the scientific enigma of 80-meter-tall trees in Amapá

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Ethology

Communication and diet different in urban primates

Pied tamarins in Manaus use smell to complement vocalizations, while howler monkeys in Rio Grande do Sul add barbecue to their vegetarian diet

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Zoology

Guide to Amazon snakes launched at the Butantan Institute

Illustrated panels provide information and teach visitors how to recognize 160 species that inhabit the biome

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Ecology

Parasites that turn spiders into zombies

Infected by fungi, invertebrates climb higher to die

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INTERVIEW

David MacMillan: A catalyst for discoveries

Chemist won the Nobel Prize in 2021 for important innovations in the pharmaceutical industry

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EPIDEMIOLOGY

Brazilian spotted fever not a threat

Combating the tick-borne disease requires an understanding of its underlying ecology and effective clinical diagnostics

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Cover

The era of whole genome sequencing

New techniques are changing the way genetic material is understood and promising to transform our understanding of diseases, human genetic diversity, food production, and evolutionary processes

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GENOMICS

Primate genetic material could contribute to precision medicine

International project is sequencing the DNA of more than 200 species in pursuit of tools to predict human propensity to diseases

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INTERVIEW

Marta Maria Azevedo: In defense of native peoples

Brazilian demographer and anthropologist Marta Azevedo pioneered in identifying the phenomenon of population recovery among Brazil’s indigenous peoples

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SCIENCE COMMUNICATION

Ig Nobel Prize for constipated scorpions

Satire of the biggest scientific award in the world selects the work of a pair from the University of São Paulo in the Biology category

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INTERVIEW

Marta Maria Azevedo: In defense of native peoples

Brazilian demographer and anthropologist Marta Azevedo was a pioneer in identifying the phenomenon of population recovery among Brazil's Indigenous peoples

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INTERVIEW

Carlos Roberto Ferreira Brandão: Living with ants

Biologist surveyed species in the Cerrado, the Atlantic Forest, and the Caatinga, as well as managing museums

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PROFILE

Amazonian challenges

Ecologist broadened her study of birds to the entire rainforest, moving beyond research alone to dedicate herself to environmental policy

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Obituary

Two lives dedicated to biodiversity

Thomas Lovejoy and Edward Wilson are unforgettable benchmarks with respect to the importance of nature and conservation

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INTERVIEW

Karen Strier: Four decades with the muriquis

American anthropologist has contributed to primate conservation in the Atlantic Forest and trained almost 80 Brazilian researchers

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Interview

Rodolfo Nogueira: Stunningly real dinosaurs

How a paleoartist combines technical and scientific knowledge to recreate extinct animals with a wealth of detail

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INTERVIEW

Eloisa Bonfá: Fighting for life

As clinical director of the USP Hospital das Clínicas for more than a decade, COVID-19 has put the rheumatologist’s planning skills to the test

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GENDER

COVID-19, a battle fought by women

Network of female researchers looks for solutions to the challenges faced by women during the pandemic and seeks to influence public policy

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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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