Redação
Covid-19
Poor performance
Brazil's response to the pandemic was considered the worst in the world by a survey released in January by the Lowy Institute, Australia
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Covid-19
Antibodies reduce deaths
A clinical trial led by researchers at the University of Oxford, UK, identified a second drug capable of reducing mortality among patients with severe COVID-19
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Covid-19
Some more likely than others to leave the house
Middle and high earner are more willing to leave home to work during the pandemic than low earners, even at the risk of contracting the novel coronavirus
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Coronavirus
Declining infections and hospitalizations
Israel is already benefitting from the effects of vaccination against COVID-19
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Covid-19
Concerning virus variations
In early 2021, information emerged on the rapid spread of new variants of SARS-CoV-2
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Space mission
High season on Mars
The exploration of Mars was given fresh impetus last month with the arrival of three spacecraft, each controlled by a different nation
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Public health
Vaccinations have prevented 37 million deaths in 98 countries
Immunization against major diseases has had a significant impact on public health in low- and middle-income countries, helping to save 37 million lives between 2000 and 2019
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Award
Responsibility and diplomacy in science
Two Brazilians—physicist Ricardo Galvão and climatologist Carlos Nobre—were honored on February 10 at the annual meeting of the AAAS
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Genetics
A simpler brain?
Scientists used the CRISPR-Cas9 gene editing technique to alter stem cell DNA, replacing the NOVA1 gene with its archaic version from the extinct Neanderthals and Denisovans
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Data
Doctorates in Brazil
Women in the lead 24,280 doctorates were awarded in Brazil in 2019, an increase of 6.1% over the 22,894 awarded in 2018
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Good practices
An integrity official at every agency
On January 27, United States President Joe Biden ordered a review of the scientific integrity policies of all federal agencies
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Good practices
Simple tips to combat misconduct
The associate dean of research at São Paulo State University created a website with tips on good practices and issues related to scientific integrity
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Photolab
Cave times
Roughly 7,500 years ago, humans took shelter in Abrigo do Alvo, Analândia, in the state of São Paulo
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Video
A tool which can reveal graphene’s mysterious properties
Superimposing sheets of the material – composed of a single layer of carbon atoms in a beehive-like pattern – reveals new properties and gives rise to a new field of research: twistronics | 3'20
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COVID-19
COVID-19 outbreak started on a flight
Map shows the origin of passengers who showed symptoms of illness after the journey
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COVID-19
A safer way to ride share
Always open car windows to reduce the risk of being infected by the novel coronavirus
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COVID-19
Yes to the vaccine
On January 18, FAPESP started the #vacinasim (“yesvaccine”) social media campaign to reinforce public confidence in their safety and effectiveness
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COVID-19
Immunity could be long-lasting
The immune system's ability to recognize the novel coronavirus and fight it seems to last for at least eight months
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COVID-19
Lockdown and the city air
The strict social distancing measures adopted by governments to try to contain the spread of the pandemic have improved air quality in some of the world's major cities
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Biodiversity
Damage beyond deforestation
Fragments of Atlantic Forest have already lost 23–42% of their biodiversity and forest carbon stocks
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Astronomy
A galaxy destined to fade
Astronomers observed a galaxy ejecting immense quantities of cold gas, enough to form 10,000 new stars the size of the Sun every year
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Physics
Plasma can desalinate seawater
Experiments demonstrated for the first time the possibility of using plasma to accelerate the formation and precipitation of salt crystals from seawater
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Public policies
Scientists return to key posts in US government
Joe Biden, the new president of the USA, nominated geneticist Eric Lander as chief science advisor and director of the Office of Science and Technology Policies
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Neuroscience
Brains shrink to save energy
In adverse conditions, such as when it is cold or food is scarce, the brain of some rodents shrinks in size, helping to conserve energy
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Environment
Lakes to lose ice cover by 2100
Some 5,700 lakes in the northern hemisphere are expected to lose their ice cover during the winter by the end of the century
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Archaeology
The oldest art
A scene portraying pigs native to Indonesia could be the oldest figurative painting attributed to modern humans ever found.
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Good practices
Recognizing diversity in research
Cell Press has adopted an innovative policy to encourage diversity and inclusion in scientific research
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Good practices
Rewards for publishing lead to distortions in South Africa
A survey of 967 researchers from South Africa arrived at an ambiguous conclusion
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Photolab
The phoenix tree
Like the mythical bird that rises from the ashes, the andira tree sprouts from the ground after wildfires in the Cerrado
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