Highlights

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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Education

Spaces for learning

School libraries have a positive impact on student performance, especially in low-income communities, study finds

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INTERVIEW

Heide Hackmann: Unified knowledge

Natural science and social science organizations merge to form an international council to fund transdisciplinary research projects

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LAW

Justice is delayed, but (apparently) isn’t failing

Combating corruption is studied from the vantage of police investigations and criminal prosecutions

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Population Studies

Misplaced youth

Researchers look for explanations for the increase in youth suicide rates in Brazil

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Biotechnology

In the skin of tilapia

Biological material already known for treating burns begins to be used in gynecological surgeries

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Biomedical Engineering

Keeping the skull intact

Brazilian startup launches noninvasive device for monitoring intracranial pressure

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Internet

The future of the web

As the web turns 30, the technology that has transformed the modern world faces challenges to remaining a free, democratic, and pluralistic domain

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PHYSICS

Fluidity in curved space-time

Study backs up theory on how dense matter interacts with strong gravitational fields

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Paleontology

A stranger in the Grand Canyon

280-million-year-old fossil footprints from an ancient desert provide first evidence of the presence of vertebrates that in theory had not yet adapted to dry environments

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Environment

How forests are reborn

In dry areas, hardwood trees are the first to naturally regenerate, while the reverse occurs in wet forests

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Ecology

Selective hosts

Flowers exploit color and odor to hide from or attract specific bees

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Medicine

Bacteria against disease

Researchers test fecal microbiota transplantation and foods with live microorganisms in treating infections

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Diffusion

Science between sips of beer

With events in 85 cities, Brazil played a major role in this year's international Pint of Science festival, which takes place in 24 countries

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