Notes
Nanotechnology
Carbon nanotube microchips
The new chip, named RV16X-Nano, proved itself capable of running modern software, and could offer an alternative to silicon microprocessors
By Redação
Astronomy
Water in the atmosphere of other worlds
A group has identified water vapor in the atmosphere of planet K2-18b by studying images taken by the Hubble Space Telescope
By Redação
Geology
A hidden continent in Europe
An international group of geologists has reconstructed the history of an ancient continent that collided with southern Europe approximately 120 million years ago
By Redação
Paleontology
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
By Redação
Law
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
By Redação
Genetics
Telomere degradation determines lifespan
A study compared how telomeres change over the lifetimes of a variety of animals
By Redação
Astronomy
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
By Redação
Pharmacology
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
By Redação
Open Acess
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
By Redação
Psychology
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
By Redação
Pharmacology
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
By Redação
Genetics
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
By Redação
Geology
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
By Redação
Evolution
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
By Redação
Biodiversity
A deadly month for right whales
At least six right whales were found floating dead in the icy waters of the Gulf of Saint Lawrence, off the east coast of Canada
By Redacción
Film
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
By Redação
Medicine
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
By Redação
Environment
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
By Redação
Health
Exercise with blood-flow restriction reduces symptoms of arthritis
Performing low-load resistance exercises can reduce the pain and discomfort of rheumatoid arthritis
By Redação
Medicine
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
By Redação
Political Sci.
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
By Redação
Archaeology
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
By Redação
Biology
The cockatoo that just wants to have fun
The bird's rhythmic behavior can provide insights into how this parrot species' brain functions
By Redação
Public health
Ebola outbreak alert level raised in Africa
The World Health Organization has raised the alert level in response to the threat of an Ebola virus outbreak in the Democratic Republic of the Congo
By Redacción
Environment
Climate change litigation and record temperatures
The number of climate change lawsuits continues to grow in at least 28 countries
By Redação
Physics
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
By Redação
Ethology
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
By Redação
Scientometrics
China ahead of the USA
In 2017, the Scopus database recorded 456,960 articles, books, and conference proceedings produced by China, accounting for 18.9% of global scientific output
By Redação