guia do novo coronavirus

Botany

Photolab

Plant-stem lace

If you take a thin slice of a young stem of Acleisanthes chenopodioides and look at it under a microscope, this is what you will see

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Ecology

Pollinating ants

The ant species Camponotus crassus is the primary fertilizer of the evergreen plant species Paepalanthus lundii, endemic to the Cerrado of Minas Gerais

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Interview

João Batista Calixto: The voice of Brazilian pharmaceuticals

The pharmacologist from Minas Gerais has dedicated his life to developing new drugs

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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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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

Alexandre Antonelli: At the forefront of science in royal gardens

In February, a Brazilian biologist will assume the role of scientific director of Kew Gardens in the United Kingdom

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Photolab

Inside the vines

The dyed stem cross-sections in the images show the stiffer and the more flexible parts of forest vines

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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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History

Memories indelible by fire

For 200 years, the National Museum contributed knowledge in the natural sciences and inspired the creation of several other science museums

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Botany

Rare Cuban flora

The library at Cornell University, USA, has published a scanned copy of a nineteenth-century manuscript on Cuban flora by American botanist Nancy Anne Kingsbury Wollstonecraft on its website

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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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Interview

Alexandre Antonelli: At the forefront of science in royal gardens

In February, Brazilian biologist will take the role of scientific director of Kew Gardens in the United Kingdom

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Photolab

A perfect fit

Frogs are very particular when choosing the flowers in which they will spend their whole lives

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photolab

Splendor at the highest heights

High in the Itatiaia mountains in Rio de Janeiro, more than 2,000 meters above sea level, the brightly colored flowers of the Buddleja speciosissima demand attention

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Biology

Misleading similarities between species

Animals and plants that share a great likeness do not always have similar evolutionary histories

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Amazonia

Brother in the North

Emílio Goeldi Museum of Pará reaches 152nd anniversary with 4.5 million items preserved, but few protected

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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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HISTORY

Memories indelible by fire

For 200 years, the National Museum contributed knowledge in the natural sciences and inspired the creation of several other science museums

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HERITAGE

The pain of loss

Six hours of fire destroyed 200 years of heritage at the largest natural-history museum in Latin America

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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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Biodiversity

A complex relationship between insects and plants

Female beetles visit the orchids and transfer pollen from the male organ to the female organ of the same flower

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Photolab

A natural battleground

The yellow fungus is found in about 60 other species

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COVER

More people in the rainforest

New archaeological sites and evidence of plant domestication support the idea that pre-Columbian Amazonia was densely populated

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ENGINEERING

Wood identification

Computer vision systems identify the quality of wood boards and their tree species

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Botany

All of the known plants in the Americas, for now

Brazil and Colombia are top of a recently published survey on the diversity of vascular plants in the Americas

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photolab

Flowers and leaves

Flowers and leaves

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PHARMACY

An eclectic plant

Jambu is used not only in the kitchen but also in cosmetics, and could be used in dentistry and to kill ticks

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Botany

Colonization via water

Group of carnivorous plants recognized for being aquatic species originated in Brazil, indicates phylogenetic study

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Ana Maria Giulietti

Ana Maria Giulietti Harley: From flower to flower

Botanist seeks new initiatives to solidify research groups

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