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 MarquesINNOVATION

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

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