Printed

New materials 

New energy applications for gold and platinum

Platinum-coated gold nanoparticles could enhance the efficiency of fuel-cell catalysts

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Physico-chemistry

The hidden strokes of Portinari

Tests show how the artist produced his artwork and may be useful in confirming the author of a piece found in the painter’s former home

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Physics

Fluidity in curved space-time

Study supports theory on how dense matter interacts with strong gravitational fields

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse scenario occurs in wet forests

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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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Health

Life-saving vaccines

Butantan produces 100 million doses of nine vaccines each year

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Health

Partnership for a dengue vaccine

Butantan produces 100 million doses of nine different types each year

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Gender

Visible women

Initiatives that aim to increase recognition of female researchers and their contributions to science

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Shared facilities

Faster access to equipment

USP and UNICAMP create portals to expand the shared use of core research facilities

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Intellectual property 

Mapping out the roadblocks

A study looks at why Brazilian industry is not very innovative and suggests that academic publishing and patent counts are two sides of the same coin

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Internationalization

Long distance connections

Initiatives that promote networking and knowledge exchange among Brazilian researchers in the United States are on the rise

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Interview

Antônio Drauzio Varella: The doctor’s message

The oncologist who treated the first AIDS cases in Brazil uses every media platform to clarify the issues he considers important regarding public health

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Interview

Daniel Kennefick: The importance of Sobral

An astrophysicist and science historian reports that without the observation of the eclipse in the city of Ceará, the experimental results of 1919 would probably have been inconclusive

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Cover

In the British expedition’s shadow

The Sobral eclipse was also observed by scientific expeditions from Brazil and the US

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Cover

When light bent

Observations of the 1919 solar eclipse from Brazil and Africa provided the first experimental proof of Albert Einstein’s theory of relativity

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Letter from the editor

Fortune and chance

Science evolves in a nonlinear manner. Subject to mishaps and chance, its path is much more lively and interesting than one might presume. Frequently, there is a good story behind important discoveries. One of these stories happened one hundred years ago and had Brazil as its stage. In 1919, Albert Einstein was not yet the... View Article

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Profile

Academic connections

Brazilian student at American university creates network to connect students and businesses

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Careers

The uncertainty of innovation

As well as in-depth knowledge of their chosen field, entrepreneurs need to be emotionally prepared for adversity

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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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Cinema

An unreleased Nelson Pereira dos Santos film

Historian finds copy of short film made by Santos about a pioneering project by the Federal University of Mato Grosso

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Law

A culture of settlement

Research reveals a lack of knowledge among the public about mediation and conciliation mechanisms that can expedite dispute resolution and help to free up the judicial system

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Archival science

Memories Revealed

The unpublished collections of Celso Furtado and Joaquim Nabuco recently donated to research institutions promise new revelations

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Agronomy

Drone spraying

Unmanned aerial vehicles are increasingly being used to spray pesticides and biological control agents on Brazilian farms

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Space

Pinpoint vision

Space camera made in Brazil can identify areas as small as nine square meters from Earth's orbit

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Transport

Electric buses on the horizon

Vehicle emissions policies in major cities stimulate development of battery-powered buses

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Physics

Shapes in transition

Group captures real-time changes in the geometry and charge distribution of four molecules

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Paleontology

Why Crato uniquely preserves fossils

A shrimp found in Crato illustrates the rich detail exhibited by fossils in the area

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IPCC

Land use and climate change

Humanity uses over 70% of the earth's ice-free land surface, and primary activities account for nearly a quarter of greenhouse gas emissions.

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Genetics

New mutations linked to short stature

DNA testing reveals origin of 15% of growth disorders without a known cause in children

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Epidemiology

A resurgence of leprosy

New cases have risen in Brazil for two consecutive years, with more than 28,000 confirmed cases in 2018

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