Biology

Photolab

Insects in the jungle

Praying mantis and other species documented in insect surveys in the Amazon

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Conservation

Ecological strategies seek to restore wildlife populations and reverse extinctions

Rewilding and de-extinction represent a new era in ecosystem restoration

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Ecology

Bird feathers contain traces of pesticides

Bird feather flaws caused by pesticides

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Awards

Winners of the Conrado Wessel Award

Biologist Mercedes Bustamante and writer Marcelo Rubens Paiva win 2025 FCW Prize

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Paleontology

Fossil halves separated 90 years ago reveal unknown Jurassic reptile species

Brazilian researcher discovers two parts of the same specimen in museums in Germany and the United Kingdom

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Zoology

Harvestman species has two types of males

Territorial with powerful claws or sneaky and weak, the arachnids have different sexual organs

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Geosciences

Rivers alter landscapes by incorporating parts of other rivers

Rivers alter landscapes by incorporating parts of other rivers

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Photolab

Parasite nest

Image shows nests of the parasite Trypanosoma cruzi in cardiac cells

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Biochemistry

Marine organism has unknown green photoprotein

Deep-sea discoveries open new biotechnological paths and deepen understanding of forms of bioluminescence

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Botany

Trees that protect other trees

Capororoca and pixirica in the Atlantic Forest, and catingueira and faveleiro in the Caatinga, create favorable environments for dozens of other species

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Paleontology

Ice Age survivors

443-million-year-old arthropods withstood major climate changes

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Zoology

Fifty-nine snake species in the Pampas

Guide presents 59 snake species found in the Pampas

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Chronobiology

A surprising biological clock

Cyanobacteria live for approximately one day but can prepare themselves for seasonal changes

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Public health

Precision for all

Genome information about the Brazilian population could democratize access to personalized treatments and reduce national health care costs

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Research itineraries

Biologist helps transform family farming in Mato Grosso do Sul

Mara Mussury conducts outreach projects in Itamarati, one of the largest land reform settlements in Latin America

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Biotechnology

Gene editing accelerates cattle improvement

Calves with shorter hair represent the first uses of CRISPR in animal breeding

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Paleontology

Hell ant found in the Brazilian Northeast is the oldest in the world

Insect lived 113 million years ago and had a vertical jaw, unlike current species

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Interview

Regina Macedo: Biologist reformulates view on bird behavior

São Paulo native from UnB who helped revise concepts about sexual selection in the tropics and cooperative breeding has dedicated herself to another passion since last year: painting

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Public health

Genome diversity could help SUS

Brazil’s national health system (SUS) could treat diseases more efficiently by making use of databases on ancestry and the wide variety embedded in Brazilian DNA

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Photolab

Short flight

Photo shows newly described insect species with a lifespan shorter than 24 hours

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Biodiversity

Study lists 409 edible species of wild mushrooms

Study lists 409 edible species of wild mushrooms

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Genetics

How cancer cells reach the brain

Chemical communication allows tumors from other organs to spread among neurons

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Ecology

Lionfish taking over the Brazilian coastline

Thousands of lionfish taking over the Brazilian coastline

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Behavior

How babies and other primates use touch

Human and chimpanzee babies both touch adult faces as a way of creating emotional bonds

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ECOLOGY

Research identifies priority areas for restoring native vegetation in Brazil

Regenerating 30% of the 76 million hectares mapped across six biomes could increase habitat availability for more than 11,000 animal and plant species, as well as helping to mitigate climate change

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photolab

Queen of the Amazon

Water sample viewed under a microscope resembles a crown

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ORNITHOLOGY

Hotter dry season reduces survival rate of Amazonian birds by 63%

Impact of 1 °C increase in average temperature was observed on 29 species living in a preserved area of the rainforest

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EVOLUTION

The ultra-black wasps of the Caatinga

Newly identified species exhibit rare evolutionary mechanism that allows them to maintain a body temperature lower than the surrounding environment

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Zoology

Climate caused megafauna extinction

Lack of rain accelerated extinction of megafauna in Northeast Brazil

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CHRONOBIOLOGY

Biological clock of cyanobacteria, which live for one day, predicts the arrival of winter

Result surprises scientists, leading them to rethink the mechanisms and evolutionary importance of adjusting to natural rhythms

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