Issue # 265 _ March 2018

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Cover

Some effects of manufactured foods
Increased consumption of ultra-processed foods elevates the risk of developing obesity, high blood pressure, and cancer; further studies with more participants are needed to confirm these findings

S&T Policy

LEGISLATION

Legal certainty

A new decree outlines measures to lift bureaucratic barriers and boost innovation in companies and universities

Interview

Eduardo da Motta e Albuquerque: Cross-border knowledge flows

The expansion of international scientific collaborations is forming an innovation ecosystem that knows no borders, says a Brazilian economist

DATA MANAGEMENT 

Unbalanced Dissemination

Reuse of scientific data is still uncommon, and varies depending on the field of knowledge

ENTREPRENEURSHIP

Flight of the billionaires

SpaceX accelerates private sector space race by putting an electric car into orbit

Science

PUBLIC HEALTH

Five years later

Study spanning 71 countries shows that survival rates for prostate cancer rose and pediatric cancer fell in Brazil

NEUROLOGY

Signs of Epilepsy

International study of brain scans suggests a link between the disease and cerebral atrophy

EVOLUTION

Male or female? The mystery unfolds

Amazonian frog species has more sex chromosomes than any other vertebrate

ENVIRONMENT

Contamination beyond the mine

Areas of the Amazon flooded by dams can raise mercury levels in fish consumed by local residents

INTERVIEW

Benedito Braga: A fundamental right

World Water Council President Benedito Braga discusses his expectations for this month's World Water Forum in Brasília

ECOLOGY

Between water and land

The tendency toward more torrential rains could change the course of rivers and wetlands in the Pantanal region

INTERVIEW

William Bialek: Between the living and the inanimate

Princeton researcher discusses the challenges of applying a quantitative approach to biological systems

PHYSICS

A novel filter

Intercommunicating pores in graphene oxide membranes help separate water from alcohol

COSMOLOGY

The endless search

International researchers are constantly looking for lighter particles in the hope of finding dark matter

Technology

AERONAUTICAL ENGINEERING 

A more efficient jet

Scheduled to start operating in April, Embraer's new aircraft delivers better-than-expected performance in certification tests

Remote Sensing

Groundwater seen from space

A new satellite system will soon resume collecting aquifer data from around the globe

Humanities

DEMOGRAPHY

Entry strategy

In less than a decade, new dynamics in migration flows and key features of legislation have led to a 34-fold increase in requests for asylum in Brazil