Redação

Tuatara fossil discovered in Rio Grande do Sul

The oldest specimen of a sphenodon in the southern hemisphere has been found in the municipality of Candelária, in the Brazilian state of Rio Grande do Sul

Bill against sexual harassment at universities

The Senate of Chile approved a new bill obligating state-funded universities to create a detailed protocol on how to deal with complaints of sexual harassment

Telomere degradation determines lifespan

A study compared how telomeres change over the lifetimes of a variety of animals

Gravitational waves generated by a new type of collision?

Gravitational waves detected on August 14 of this year were probably generated by a collision between two different celestial bodies

Material releases drug at regular intervals

An international group of researchers has developed a nanostructured material capable of releasing drugs in low concentrations at regular intervals

Germany reaches agreement deal with Springer Nature

A consortium comprised of more than 700 universities and institutions from Germany has signed an agreement with the Springer Nature publishing group making it easier for them to publish scientific articles in open-access journals

How much paid work it takes to feel happy

The survey indicated that the risk of mental health problems falls by an average of 30% when a person leaves unemployment or maternity leave for paid work of up to eight hours per week

Remedy for menstrual cramps fights schistosomiasis

An anti-inflammatory widely used to alleviate menstrual cramps has been shown through animal testing to be effective at treating schistosomiasis

The glowing mosquito from Vale do Ribeira

It may be possible to genetically engineer the larvae of disease-causing mosquitoes such as Aedes aegypti to make them glow

Diamonds as old as the Earth

Mined in the municipality of Juína, Mato Grosso State, the diamonds were formed 410–660 kilometers deep inside the Earth

3.8-million-year-old skull

A nearly complete hominid skull dated at 3.8 million years old has led to new conclusions about the origins of the genus

Scientific collaborations between São Paulo and other states in Brazil

Percentage of scientific papers published by researchers from São Paulo with at least one coauthor from another state

Astrophysicist dismissed for bullying

The Swiss Federal Institute of Technology in Zurich has dismissed Italian astrophysicist Marcella Carollo, who in 2017 was accused of bullying PhD students

Statistical support for psychology journals

A group of researchers have proposed a new strategy to prevent errors and biases in psychology research findings

A landscape in an egg

A group led by paleontologist Sérgio Alex Azevedo, from the National Museum of Rio de Janeiro, was able to identify the fossil by analyzing its microstructure

A place for girls in mathematics

A girls-only competition seeks to create a more welcoming environment for female talent in the subject

The life of an actor: hit or miss

The researchers analyzed the profiles of 1.5 million actors and 896,000 actresses from 1888 to 2016

Detecting tumor cells with light and sound

An international group of researchers has developed a noninvasive system that uses laser and ultrasound to detect melanoma cells in the blood

Plenty of space to plant trees

There are about 1.6 billion hectares available worldwide for forest restoration projects, most of which are far from urban areas and agricultural land

Exercise with blood-flow restriction reduces symptoms of arthritis

Performing low-load resistance exercises can reduce the pain and discomfort of rheumatoid arthritis

HIV therapy has prevented 9.5 million deaths

Antiretroviral therapy prevented 9.5 million deaths worldwide between 1995 and 2015, with a global economic benefit of US$1.05 trillion

Campaigns do not change voters’ opinions

Election campaigns designed to disseminate information about the performance of politicians do not influence voter opinion, according to an analysis of data obtained from several countries, including Brazil

Egyptian Mummy in Rio Grande do Sul

Researchers have identified the head of an Egyptian mummy who lived 2,500 years ago stored at the 25 de Julho Cultural Center in Cerro Largo, Rio Grande do Sul

The cockatoo that just wants to have fun

The bird's rhythmic behavior can provide insights into how this parrot species' brain functions

Climate change litigation and record temperatures

The number of climate change lawsuits continues to grow in at least 28 countries

The flight of the dandelion seed

Researchers used fluid dynamics equations to analyze the flight behavior of dandelion seeds and modeled the airflow patterns that form around the pappus as it floats through the air

Social inclusion in higher education

Inside the vines

The dyed stem cross-sections in the images show the stiffer and the more flexible parts of forest vines

Profile: Thoroh de Souza

Physicist and classical singer planned a research center aimed at making basic science into high technology products.

Changes in primate culture

Capuchin monkeys (Sapajus libidinosus) living in Serra da Capivara National Park in Piauí 3,000 years ago knew how to break and crush fruits and seeds using stones