Issue # 278 _ April 2019
Cover
- When light bent
- Observation of the 1919 solar eclipse from Brazil and Africa provided the first experimental proof of Albert Einstein’s theory of relativity By Marcos Pivetta and Rodrigo de Oliveira Andrade
- In the British expedition’s shadow
- The Sobral eclipse was also observed by scientific expeditions from Brazil and the US By Rodrigo de Oliveira Andrade
- 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 By Marcos Pivetta
S&T Policy
open access

How to survive without subscribing to scientific journals
Digital tools and social networks help students and researchers find articles online
By Fabrício MarquesSTEM education

Giving wings to curiosity
Seventeenth edition of Brazilian Science & Engineering Fair brings together top science projects from across the country
By Carla AranhaPublications

Articles animated
Scientific journals publish videos to make research and experimental results more transparent and educational
By Bruno de PierroINNOVATION

Proliferating startups
Innovative life science companies attract investment in Lausanne, Switzerland
By Fabrício MarquesInterview

Peretz Lavie: Building an innovation ecosystem
The president of Technion talks about the principles and guidelines that led an Israeli university to becoming a global benchmark
By Bruno de PierroScience
GEOGRAPHY

The young Amazon
Central region of the rainforest may have formed just 45,000 years ago as wetlands receded
By Carlos FioravantiGeology

New copper finds north of Carajás
Survey reveals potentially vast reserves of the metal in the Bacajá region
By Rafael GarciaAnimal nutrition

A diet of chicken and corn
Studies find that the majority of dog food in Brazil is based on a less-than-ideal formula of these two ingredients
By Rafael GarciaZoology

The Alta Floresta titi
A new species of monkey is discovered in northern Mato Grosso State
By Marcos PivettaZoology

The origin of perching birds
A group representing more than 60% of bird species originated in Australia 47 million years ago, study finds
By Marcos PivettaAstronautics

The private conquest of the Cosmos
A capsule of the company SpaceX flies to the International Space Station and may give the United States the capacity to put humans in orbit
By Ricardo ZorzettoTechnology
Civil engineering

High-tech construction sites
New technologies, digital tools, and mass production aim to raise productivity
By Domingos ZaparolliInformation technology

Deciphering blockchain
System created to support cryptocurrency is now being used in a number of other applications
By RedaçãoHumanities
Law

Judiciary undergoing transformation
Opposing the trend of the 1990s, study identifies fewer women and working class among Brazilian judges
By Christina Queiroz