Mathematics

Pedagogy

Beyond theorems and equations

How theoretical disputes and political conflicts influenced mathematics teaching

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Physics

Connecting two worlds

Study proposes minimum mathematical correction needed to make the theory of relativity compatible with quantum mechanics

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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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Neuroscience

The archaeology of the mind

Supported by mathematical models, study investigates the development of human thought over thousands of years

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Obituary

Science administrator

Marco Antonio Raupp led and helped establish important research institutions in Brazil

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archaeology

Geometry in ancient Babylon

A 3,600-year-old circular clay tablet made in Ancient Babylon appears to be the earliest record of applied geometry

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NEUROSCIENCE

A statistical brain

Experiment involving structured sequences of sounds and silences corroborates long-held conjecture that the brain uses probabilistic models to anticipate events

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Zoology

The crows and the empty set

With training, carrion crow were able to understand the empty set as a null numerical quantity close to one

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Mathematics

A web of algorithms

Mathematical model simulates how spiders capture vibrations to locate trapped prey

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CAREERS

Modern mining

Trained to interpret huge volumes of information, data scientists have job opportunities in a wide range of sectors

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Math

International spotlight

Two IMPA mathematicians whose research has been recognized abroad may inspire girls who dream of careers in the exact sciences

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Algorithms

Artificial intelligence to help the heart

New computer software could improve the speed and efficiency of heart-disease diagnosis and treatment

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Profile

The living being in the equation

Researcher combines exact and life sciences to measure the SARS-CoV-2 virus's potential to spread

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Cover

The challenge of calculating R

Poor data makes the effective reproduction rate difficult to track and is hampering the pandemic response

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Science olympics

A place for girls in mathematics

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

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Video

Predicting the spread of a disease

Altay de Souza, an epidemiologist and host of the podcast Naruhodo!, explain how the models which predict the coronavirus advance are built

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Video

These parrots use probability to get food

Biologist Amalia Bastos shows that birds from New Zealand can make calculations that so far only humans and chimpanzees were known to use

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Computer Science

Discriminatory algorithms

How artificial intelligence assumes discriminatory behavior and what science can do to prevent it

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INTERVIEW

Jean-Pierre Bourguignon: Innovation driven by ambition

Jean-Pierre Bourguignon, president of the European Research Council, discusses the case for funding high-risk projects and the need to help society understand the transformative power of science

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Science olympics

A place for girls in mathematics

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

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Profile

Learning to save

Brazilian living in the United States pushes for financial education in public schools

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Retrospect

A physicist with a passion for light

Sérgio Porto played an important role in the introduction and application of laser technology in several fields in Brazil

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Obituary

A devout mathematician

Maurício Peixoto was one of the founders of IMPA

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mathematics

The first woman to win the Abel Prize

American mathematician Karen Keskulla Uhlenbeck is the first woman to win the Abel Prize, one of the most important awards in mathematics

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Interview

Francisco de Assis Costa: The multiple faces of the Amazon

Economist points out the diversity of productive structures and the role of peasants dating back to the eighteenth century

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Zoology

Bees capable of adding and subtracting

Apis mellifera bees can learn to recognize quantities

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History

Roughly 1.5 million Jews killed in just three months

Between August and October of 1942, at the height of Operation Reinhard, 500,000 Jews per month were taken to concentration camps and killed in occupied Poland

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Cover

Mimicking the brain

Artificial intelligence as a scientific field was borne from mathematical studies in the 1940s

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Mathematics

Fields Medal winners

Four researchers are awarded the most prestigious prize in mathematics at a congress in Rio de Janeiro

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INTERVIEW

Marcelo Viana: A difficult equation

The director of IMPA talks about Brazil's entry into the international elite of mathematics research, and math education problems in the country's schools

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