Highlights

PEDIATRICS

Replacing the body’s defenses

Bone marrow transplant is the best long-term alternative for treating IPEX syndrome, a rare childhood immune disease

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PUBLIC HEALTH

A parasite reaches the big city

Difficult diagnosis and a warmer climate facilitate the advance of visceral leishmaniasis toward large urban centers

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DIFFUSION

Promise of boycott

Computer scientists vow to boycott new subscription-only artificial intelligence journal

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INNOVATION

Precocious entrepreneurs

OECD study places Brazil among the countries with the greatest number of startups founded by students or recent graduates

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INTERVIEW

Igor Pacca: In search of the secrets of inner Earth

Physicist Igor Pacca trailblazed geophysics research in Brazil and studied continental drift by investigating changes in Earth’s magnetic field

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I.T.

Particle-tracking challenge

CERN launched a computer science challenge to stimulate the development of artificially intelligent data-analysis programs

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Magdalena Skipper

First female leader of the journal Nature

British geneticist is the new editor in chief of Nature

Biodiversity

A complex relationship between insects and plants

Female beetles visit the orchids and transfer pollen from the male organ to the female organ of the same flower

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History

Princeton revisits its history of slavery

Project investigates the institution's involvement with slavery in the country

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Education

Digital diplomas now compulsory

The Brazilian Ministry of Education published an ordinance in April requiring that all diplomas and academic documents be issued in digital format

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Hans Asperger

Pediatrician and Nazi collaborator

historian Herwig Czech showed that the pediatrician aided and supported the Nazi regime and was rewarded with professional opportunities

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Politics

A researcher almost elected president

Physics and chemistry researcher Jiří Drahoš, 68, was very nearly elected president of the Czech Republic this January

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Paleontology

The first beaked bird

A bird that lived between 95 million and 84 million years ago is helping scientists learn how the beak evolved

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Cell Biology

Internal communication in plants

Plant cells communicate with each other by exchanging chemical compounds, similar to the role played by neurons in animal central nervous systems

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Public Health

Africa hit by new Ebola outbreak

In May, the city of Mbandaka confirmed its first cases of Ebola, which have spread from an outbreak in nearby rural areas

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