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Zoology

Gimli and Nigel, two dwarf giraffes

Gimli and Nigel are the first recorded examples of dwarfism in wild giraffes

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Notes

New deans of UFSCar and UNESP

Two São Paulo universities have new deans

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Engineering

First images from Amazonia-1

The Brazilian National Institute for Space Research has released the first images taken by Brazilian satellite Amazonia-1

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Astrophysics

A planet with a renewed atmosphere

Data obtained by the Hubble Space Telescope suggest that an exoplanet (GJ 1132 b) was able to develop a new atmosphere after its original was lost

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nuclear tests

France underestimated how many were affected by nuclear testing

The inhabitants of the archipelagos of French Polynesia were exposed to 2–20 times more radiation than previously estimated

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Data

Scientific papers published by each Brazilian state

In 2019, 64,368 scientific papers were published1 and indexed by the World of Science base with at least one author based in Brazil

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Good practices

Racial violence and scientific meetings

The American Physical Society has adopted new venue selection criteria for its 12 annual scientific events

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Good practices

Scientific integrity training

The Albert Einstein Israeli Institute for Teaching and Research has strengthened training in good research practices for its graduate students

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Good practices

The slow path to self-correction in science

Psychologists continued to cite papers whose results were not confirmed in subsequent research, study shows

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Letter from the editor | 302

Principles and decisions

Viruses are simple but sophisticated organisms. They have no efficient mechanism for correcting genetic errors that occur during replication, meaning that changes to their genome are incorporated into future generations. These mutations can be harmless, or they can make the virus more efficient—which is all the more undesirable when humans are the hosts. A year... View Article

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Photolab

Bottled color

Under a blacklight, the lab-made solution shines

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Research during quarantine

Research during quarantine

Fernando Carvall“It is considered normal that of 100,000 deaths, the majority are black” I study racial inequality and the mortality of cervical and breast cancer. Cervical cancer is an infectious disease whose incidence is strongly linked to a lack of access to preventive therapies, which is why it is associated with poverty and inequality and... View Article

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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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Letter from the editor

Stolen heritage

Illegal fossil extraction is poorly reported and a more common problem than you would think. Developing nations whose soils are rich in prehistoric records often suffer from limitations such as insufficient security and oversight, leading to increased smuggling of valuable artifacts, which frequently end up in the hands of private collectors or even in museums.... View Article

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PROFILE

Cosmic dance

Brazilian astronomer has been collaborating with NASA for more than two decades and discovered a supernova

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Careers

Another degree

Taking a second degree expands your knowledge and allows you to change or adjust the course of your career

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Retrospect

Open pathways to the first vaccine

The techniques and concepts used to eradicate smallpox in Brazil 50 years ago are still applied today to contain epidemics

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Obituary

Creator of memories

Born in Argentina, Ivan Izquierdo helped to discover how the brain learns and recovers stored information and shaped generations of Brazilian researchers

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Obituary

Historian between two worlds

Shozo Motoyama developed benchmark research projects about the history of science and Japanese immigration in Brazil

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Visual arts

Territorial conquest

Dialogue between anthropology and the arts drives the inclusion of indigenous artists in the museological scene

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Education

Performance under analysis

Number of public military schools doubled in 2020 in Brazil

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Innovation

Life support

Brazilian firm develops native out-of-body oxygenation system for patients in critical condition

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Robotics

Robots as walking aids

Natively developed technology supports rehabilitation of patients with impaired mobility

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Ecology

Lowered immunity

Even modest doses of insecticide make bees more susceptible to bacterial infections and increased mortality

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Mathematics

A web of algorithms

Mathematical model simulates how spiders capture vibrations to locate trapped prey

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Physics

Nuclear fusion prefers a 2D world

The chance of hydrogen atoms fusing and generating energy is one billion times greater in two-dimensional systems

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ARCHAEOLOGY

A natural origin for Amazonian dark earths?

Study disputes theory that pre-Columbian peoples produced fertile soil in the Amazon

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Scientific education

Seeds of innovation

Award recognizes projects of public school students who seek to solve real problems in society

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Scientometrics

In search of more refined metrics

New indicators seek to discover trends and establish more precise comparisons to evaluate quantitative data of scientific production

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COVER

In the footprint of smuggled fossils

Paleontologists speak with Federal Prosecutors and the Federal Police to bring a stop to the trafficking of fossil assets in Brazil

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