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Biodiversity

Ants with women’s names

Ants with women's names

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ONMC

Scientists renounce national honor

In an open letter, 21 scientists awarded this year’s National Order of Scientific Merit renounced the honor

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Geology

Exoplanets with exotic rocks

The rocky planets orbiting stars outside our Solar System may have a very different chemical composition to Earth

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Biodiversity

The great ocean fertilizers

Whales are the largest living beings on the planet and play an important role in recycling ocean nutrients

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Data

Public R&D funding in São Paulo

A FAPESP survey on R&D activities carried out in São Paulo in 2018 offers a precise distinction between who funds and who conducts R&D in the state, and how much the government contributes at different levels The graphs above show that the business sector conducts the most R&D, but the government sector contributes just as... View Article

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Good practices

Integrity in times of open science

The sixth Brazilian Meeting on Research Integrity and Ethics in Science (BRISPE) was held between October 28 and 29, with discussions on how to encourage ethical behavior and scientific integrity in an environment marked by increasing collaboration, open access to knowledge, and data sharing—generally encompassed by the term “open science.” More than one hundred participants,... View Article

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Good practices

Academic papers for sale

Essay mills could be made illegal in the UK in a bid to combat widespread fraud in remote learning

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Letter from the editor | 310

Capturing subtleties

Brazil is known for producing more clean energy than the average country. In 2019, 46% of its electricity came from low-carbon sources, compared to 16% worldwide (and 26% in Europe). The majority of this renewable, nonpolluting energy is produced by more than 200 hydroelectric power plants that generate two-thirds of the electricity consumed nationwide. The... View Article

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photolab

Under the feathers

To study the diversity and evolutionary history of parasites in birds, Bruno Fermino teamed up on expeditions with fellow ornithologists: some interested in birds, others in the creatures that live inside them. He thus had the opportunity to photograph species such as the yellow-chevroned parakeet (Brotogeris chiriri)—the picture above was taken in Santana do Araguaia,... View Article

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Physics

From metal to an insulator

Twisting a two-dimensional nanofilm allows an electric current to progressively pass through it

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Careers

Health in the foreground

Doctor and TV series creator directs her first feature-length film about the pandemic

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Careers

Time to face the numbers

Economic crisis and high unemployment rate boost the number of FIES debtors

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Retrospect

The scourge of disease during the Paraguayan War

Most soldiers who fought in the largest armed conflict in South America died of cholera and other infectious diseases, rather than in battle

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Visual arts

A revelatory picture

Studies show that women played an active role in the history of Latin American photography, with next to no recognition

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Interview

Roberto Santos Junior: The limits of an Amazonian dream

Despite causing major damage, the Trans-Amazonian Highway fostered the formation of small farming communities

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Economics

In practice, the theory is different

New research examines the ideas and policies of Republican Brazil's finance ministers

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Materials engineering

The power of copper

Copper nanoparticles can be used to create biocidal fabrics and agricultural pesticides

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Environment

Forest technology

Artificial intelligence, satellite data, and statistical models are used to predict the risk of deforestation and fires in the Amazon and analyze their impact in real time

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Nuclear medicine

Radiopharmaceuticals under threat

Radiopharmaceutical crisis leads to debate over production model

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HEALTH

Pioneering immunization

Malaria vaccine recommended for children in Africa by the WHO is the first to protect humans from a parasite

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Cosmology

Super-impact on Titan

Collision with celestial body may have created an environment on Saturn's largest moon in which primitive life could emerge

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Ecology

Green deforestation

Intensive açaí management threatens biodiversity in Amazonian estuarine forests

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Climate

Cerrado under threat

The Cerrado is getting hotter, drier, and more prone to fire

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Scientific initiation

An exercise in curiosity

São Paulo private school science fair attracts projects from other regions and abroad

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Gender

Women and their disciples

Study maps how Brazilian scientists contribute to the education of new researchers

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Higher education

Turbulence on the horizon for postgraduate education

Uncertainties arise as assessment of Brazilian graduate programs goes to court

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Cover

Geography of flavors

In the last two decades, Brazil has created 88 geographical indications for products such as coffee, cheese, and wine

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Interview

Marilda Sotomayor: A game thinker

Brazilian mathematician who worked with Nobel Prize-winning economists became a leading specialist in the highly applicable theory of matching markets

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COVID-19

On the trail of misinformation

Users aligned with the conservative right were more engaged in disseminating false news and inaccurate information on Twitter, according to a survey by FGV

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Covid-19

Confidence in vaccines

Vaccination rate in Brazil greater than in developed countries

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