Zoology

Biology

Devastating invasion of the Brazilian sea

Lionfish are spreading along the Brazilian coast, having a harmful effect on fishing and the survival of native species

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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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Zoology

Food supply determines reproduction among Brazilian eagles

In four bird of prey species, the factor that most influenced reproductivity was the availability of prey, not environmental changes

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ZOOLOGY

Zoonomia project compares genomes in search of answers about evolution and health

Analysis of an unprecedented volume of data could provide insights into human diseases

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Zoology

The brain of a fruit fly

Complete map of fruit fly brain identifies 3,016 neurons and 548,000 synapses

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Animal behavior

Observe, then approach

Dogs choose who to interact with based on body language and facial expressions

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BIOLOGY

First expedition to the Imeri Mountains

Researchers have identified animals and plants isolated by the altitude, which may help explain relationships between species from high areas in the north of South America

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ECOLOGY

Amphibian populations in the Atlantic Forest have declined over the last 130 years

The number of individuals of 106 species in the biome fell at some point between the end of the nineteenth century and the year 2020

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Zoology

Cameras capture cattle in protected areas

Cameras identified cattle in forests in Mato Grosso where they are prohibited

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ENTOMOLOGY

Terrestrial insects in decline

Unprecedented study on the demographic evolution of terrestrial insects points to a decline in individual numbers and species diversity

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Zoology

Hope for white rhinos

Production of white rhino eggs and sperm in the lab offer hope for the species

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Paleontology

The banded spider of Taubaté

Fossil from Taubaté used to describe an extinct spider with a banded pattern and very long front legs

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Biology

Bees dying before their time

Western honey bees live half as long today as they did 50 years ago

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Ecology

“Talking” turtles suggest acoustic communication arose more than 400 million years ago

The sending of messages by sound originated in a common ancestor of terrestrial vertebrates and fish with lungs

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Public health

Beware of scorpions, spiders, and lionfish

There were 2.1 million accidents involving venomous animals in Brazil between 2007 and 2019

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Zoology

How octopuses resolve arguments

Octopuses observed throwing shells, algae, and silt at each other

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ORNITHOLOGY

Study confirms existence of dwarf hyacinth macaws

Research also defined the growth stages of this bird from the Pantanal, which was once an endangered species

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Zoology

Heat and diet lead to arboreal primates living on the ground

Changes in the environment and climate could lead to arboreal primates spending more time on the ground

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Video

Researchers are the first to explore the Imeri mountain range

Biologist Miguel Trefaut Rodrigues, from the Biosciences Institute at the University of São Paulo (IB/USP), shows some of the new species collected during expedition to the Imeri mountain range, in Amazonas State near the border with Venezuela | 7'32

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Ecology

Vaccinating primates against yellow fever

Early trials suggest human vaccines are effective in wild primate species susceptible to the yellow fever virus

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Linguistics

The secret to speech: a simplified larynx

Images of the larynx indicate why humans are the only primates that can talk

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Video

Camouflage to blend in the landscape

Mimicking leaves, branches or rocks is one of the most efficient camouflage strategies, but it limits movements and possibilities of living areas | 3'57

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COVID-19

The pandemic and bats

Bats unfairly persecuted after being presented in the news as reservoirs of SARS-CoV-2

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BIOMECHANICS

Why woodpeckers do not suffer from headaches

Why woodpeckers do not suffer headaches, despite pecking tree trunks almost 20 times per second

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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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biodiversity

From captivity to the skies

Eight Spix’s macaws bred in captivity were released into the wild in Bahia

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DATA SCIENCE

The machines that make biology a science of huge numbers

DNA sequencers, recorders, drones, and other devices are increasingly being used to save time and shake up research methodologies

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Biology

A hypothetical fungi language

Computer scientist has mapped what could be a fungi language

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Evolution

Fight or flight

The ability of birds to fly seems incompatible with the ability to attack and defend using spurs

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ECOLOGY

Transgenic zebrafish found in streams in the Paraíba do Sul basin, Minas Gerais

More than a hundred specimens of the fluorescent zebrafish were captured by researchers

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