Biodiversity

Ornithology

A comeback in the Atlantic Forest

Alagoas curassows are reintroduced into their habitat 40 years after going extinct in the wild

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Environment

Oil spill spreads

Analysis suggests three potential sources of the oil near the Brazilian coast

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Environment

Deforestation increases, CO2 emissions stabilize

The rate of deforestation in the Legal Amazon increased by 30% between August 2018 and July 2019

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Biodiversity

Malaria-carrying mosquitoes ride the wind in Africa

High-altitude winds in West Africa can carry insects over great distances

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Ecology

Plants that grow on iron

Research finds 38 plant species that exist only in the so-called Amazonian cangas, a type of rupestrian grassland found in the Serra de Carajás area

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Interview

Vera Lucia Imperatriz Fonseca: The vast world of bees

For 20 years, the biologist has defended the role of pollinators in conserving native forests and expanding agricultural production

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Photolab

Underwater nursery

The Okenia polycerelloides sea slug reproduces in the pantry

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Oceanography

Revelations from a submerged archipelago

Beaches, rivers, and mangroves covered a mountain range that was above sea level 40 million years ago

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Biodiversity

A deadly month for right whales

At least six right whales were found floating dead in the icy waters of the Gulf of Saint Lawrence, off the east coast of Canada

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Biology

Giants with their own light source

Researchers have now isolated the substances involved in Dosidicus gigas bioluminescence

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Ecology

Selective hosts

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

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Botany

Plants with miner roots

Study demonstrates a new function of the roots of B. tomentosa and B. macrantha

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Biodiversity

Animals and plants at risk

Up to one million plant and animal species worldwide are facing extinction due to severe population decline and habitat loss

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RETROSPECT

Fight for the forest

For 30 years, IBAMA has been working to protect the environment in Brazil through operations based on technical studies and scientific research

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Biology

The changing venom of a stingray

Stingray venom changes as the fish mature

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Environment

The gradual degradation of ancient lakes

Intensive fishing, sewage, fertilizer runoff, algae, invasions of exotic species, and tourism are altering the world's largest freshwater lakes

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Video

How to protect sharks

Research group tracks oceanic sharks and maps them onto fishing zones in order to propose conservation areas | 3'40"

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History

Secrets of the forest

Using a multidisciplinary approach, a book recovers legends and records of naturalists to reveal little-known aspects of the Amazon

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Environment

Life goes on

Environmental legislation helps reconnect Atlantic Forest fragments in agricultural regions across Brazil

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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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Zoology

The Alta Floresta titi

A new species of monkey is discovered in northern Mato Grosso State

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biodiversity

Faster than a cheetah

Instead of waiting for insects to fly into its web, a small spider in the Theridiosomatidae family launches itself like a slingshot to catch the prey

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Geography

Boundaries between the Amazon and the Cerrado

In the Brazilian states of Mato Grosso, Pará, Tocantins, and Goiás, some areas classified as Cerrado are, in fact, part of the Amazon

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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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Biodiversity

Number of large animals continues to fall

The number of large wild animals on the planet is decreasing as a result of various human activities,

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Zoology

Bees capable of adding and subtracting

Apis mellifera bees can learn to recognize quantities

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Photolab

Rare white cougar captured on camera

Hidden cameras in the Serra dos Órgãos National Park in Rio de Janeiro captured rare photographs of a cougar with a white coat—known to biologists as leucism

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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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Botanics

The origin of the mango flower’s sweet smell

In the mango and cajuzinho-do-campo flowers, the scent glands are located at the inner base of the petals

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Biodiversity

The long life of parrots

Genetic mutations help the turquoise-fronted Amazon parrot live for up to 80 years

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