Redação
Video
A weak spot on Earth’s magnetic field hovers over Brazil
Learn how the planet's invisible shield works, and what is the South Atlantic Anomaly | 3'34
By Redação
COVID-19
Risk of death is higher among the poor in Chile
People under 40 living in poorer municipalities in the Metropolitan Region of Santiago, Chile, are 3.1 times more likely to die from complications associated with COVID-19 than those who live in more affluent regions
By Redação
COVID-19
Lasting consequences
People who survive SARS-CoV-2, even those not hospitalized, can suffer the effects of the infection for months after the most intense symptoms subside
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COVID-19
The virus and the loss of smell
The loss of smell that affects up to two-thirds of people infected with SARS-CoV-2 is a consequence of both the direct action of the virus and the inflammation it triggers in the olfactory system, according to a team of researchers
By Redação
COVID-19
Dengue increases risk of COVID-19 symptoms
The risk of developing COVID-19 symptoms when infected with the novel coronavirus is twice as high among individuals who have had dengue in the past
By Redação
Covid-19
Mask effectiveness tests
Researchers compared the quality of 227 types of face masks sold in Brazil, measuring their ability to block the novel coronavirus
By Redação
Zoology
Toads in the mist
In well-preserved remnants of the Atlantic Forest, a team of zoologists identified a peculiar new species of toad
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Archaeology
78,000-year-old human burial
The oldest known burial by modern humans in Africa took place about 78,000 years ago
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Education
More inclusive universities
Access to university education has expanded and is less socially unbalanced in Brazil
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Education
New UNIFESP dean sworn in
On May 7, obstetrician Nelson Sass and sociologist Raiane Patrícia Severino Assumpção officially took over as dean and vice dean of the Federal University of São Paulo (UNIFESP) for 2021–2025
By Redação
Funding
Direct funding to Africa
In April, African health experts published an open letter in the journal Nature Medicine, addressed to international funders of studies on health problems in Africa
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Geology
In the depths of a geyser
For the first time, geoscientists from the University of Utah and Yellowstone National Park, USA, have mapped the interior of the world's most powerful geyser
By Redação
Tecnology
Writing with the mind
A brain-to-computer interface has allowed a 65-year-old man paralyzed from the neck down to quickly write text on a computer screen by imagining himself writing the letters by hand
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Engineering
Chinese rover on Mars
Without a fanfare, China’s National Space Administration successfully landed its first rover on Mars
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Zoology
A very informative gesture
Mountain gorillas may be communicating with other members of their troop when they rise up on their hind legs and beat their chests with their hands to produce a loud, hollow sound
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History
Population decline in pre-colonial Amazonia
In response to environmental changes, epidemics, or wars, the populational decline of the Amazon region may have started 300 to 600 years before contact with European settlers
By Redação
Data
Invention patents filed by universities in São Paulo
Percentage of all invention patent applications filed with the Brazilian Patent Office by legal entities in São Paulo that were submitted by higher education institutions, per quadrennium
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Good practices
Misconduct in the scientific literature
A group of researchers searched scientific journal databases for the terms “research ethics” and “research integrity.” The survey aimed to reveal the perspectives of academic literature on cases of misconduct
By Redação
Good practices
University ranking fraud goes to court
Moshe Porat has been indicted by a federal court for submitting fraudulent information to the U.S. News & World Report
By Redação
Photolab
Vital swamp
Although the Amazon is known as a rainforest, it is also home to the largest mangrove in the world
By Redação
COVID-19
New clues about blood clots linked to the AstraZeneca vaccine
A step has been taken towards explaining why the vaccine developed by the pharmaceutical company AstraZeneca can very rarely lead to the formation of blood clots
By Redação
COVID-19
The months-long consequences of COVID-19
The long-term effects of COVID-19 are becoming clearer
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COVID-19
The importance of the cellular response against the coronavirus
Fighting a SARS-CoV-2 infection is not solely the responsibility of antibodies, the proteins that adhere to the virus’s surface to prevent it from entering cells or mark it for destruction
By Redação
COVID-19
Two vaccines prevent infection by Sars-CoV-2
Pfizer-BioNTech and Moderna vaccines are 80% effective at preventing SARS-Cov-2 infections after the first dose and 90% after the second
By Redação
COVID-19
Superior immunity
Studies of blood and tissue samples taken before the COVID-19 pandemic may help explain why the disease is more common and more severe in adults than in children
By Redação
Ingenuity
Successful flight on mars
NASA's robotic helicopter Ingenuity became the first aircraft designed on Earth to make a controlled and self-propelled flight on another planet
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paleontology
The pterosaur of the trees
A 160-million-year-old fossil discovered in Liaoning, northeast China, belongs to a new species of pterosaur, which has been generating curiosity
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Energy
Energy generated by vibration
Spanish startup Vortex Bladeless plans to start testing its innovative technique of generating wind energy from the vibrations of a vertical carbon fiber rod later this year
By Redação
Public health
Tuberculosis in prisons
Tuberculosis cases in the Latin American prison population increased by 269% between 2011 and 2017
By Redação
