Redação

Editor fired for homophobia

The American Heart Association dismissed cardiologist Roberto Bolli from his position as editor in chief of its journal Circulation Research

Why do authors publish in predatory journals?

Why do authors publish in predatory journals that do not properly review articles and are more interested in making money than maintaining a good reputation?

Medicinal necklaces

Crnkovic studied microalgae in fresh water as part of her PhD research, which involved bioprospecting for compounds that could help fight cancer

Characterizing ecosystems through sound

Acoustic information portrays environments and set natural changes apart from those caused by human action | 7'46"

Inside the ruins of the National Museum

Five months after the fire, a visit to the rubble shows what remains of São Cristóvão Palace

Number of large animals continues to fall

The number of large wild animals on the planet is decreasing as a result of various human activities,

2019 Péter Murányi Prize Winners

The Péter Murányi Foundation awarded its top prize for 2019 to the SOS Chuva mobile app

The death of the Opportunity Mars rover

One of NASA's longest and most successful interplanetary exploration missions ended after nearly 15 years of service

Drug program reduces deaths

A federal program designed to provide greater access to drugs that combat chronic disease has significantly reduced deaths and hospitalizations associated with hypertension and diabetes

Megamonuments may have originated in France

Archaeologist concluded that the first structures of Stonehenge were created roughly 6,500 years ago in what is now Brittany, northwest France

A fabric that keeps you cool in the heat and warm in the cold

A high-tech fabric is capable of altering its structure depending on heat and humidity, thus helping to maintain a stable body temperature

The wandering North Pole

The North Magnetic Pole has been moving faster than expected from Canada toward Siberia, Russia, in recent years

Bees capable of adding and subtracting

Apis mellifera bees can learn to recognize quantities

Light Brazilian earthquakes

Brazil experiences earthquakes of a low to medium magnitude, similar to those of central-eastern USA and the interior of Australia

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

Controversial airport on sacred Incan land

The recently started construction of an international airport in Chinchero, southeastern Peru, has raised concerns about potential damage to archaeological sites in the region

Women earning PhDs in Brazil

A total of 21,591 researchers received PhDs in Brazil in 2017

Inappropriate reviewer behavior

The Oxford University Press journal Bioinformatics recently published a case study on misconduct in the peer review process

The American connection

The controversial baby gene-editing experiment performed in China may have directly involved a scientist from the USA

Complex mechanisms

Rare white cougar captured on camera

Hidden cameras in the Serra dos Órgãos National Park in Rio de Janeiro captured rare photographs of a cougar with a white coat—known to biologists as leucism

Monogamy linked to interaction between 24 genes

Researchers found similar gene activity in the monogamous species of different animals

ITA engineer to head the CNPq

Aeronautical engineer João Luiz Filgueiras de Azevedo is the new president of the Brazilian National Council for Scientific and Technological Development, the largest federal funding agency in Brazil

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

Scaffolds aid neuron regeneration

Neuroscientists and nanoengineering experts have developed 3D-printable scaffolds compatible with living tissue that in the future could be used to treat spinal cord injuries

Ice loss in Antarctica increases sixfold in 40 years

A new tool has made it possible to more accurately calculate the thickness of the Antarctic ice sheets and the speed at which they are moving

First exhibition since the fire

On January 17, the Brazilian National Museum opened its first exhibition since the fire that destroyed much of its collection on September 2, 2018

The young, ephemeral rings of Saturn

Two recent studies have presented new theories on their origin and probable end of Saturn's rings

Roughly 1.5 million Jews killed in just three months

Between August and October of 1942, at the height of Operation Reinhard, 500,000 Jews per month were taken to concentration camps and killed in occupied Poland

Turbine layout affects power generation

Researchers found that irregular spacing between turbines may optimize energy production