Issue # 302 _ April 2021

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Cover

The evolution of a virus
Low vaccination rates and lack of control over SARS-CoV-2 circulation is increasing the likelihood that more transmissible and lethal variants will emerge By

 

COVID-19

New vaccines on the way

Butantan Institute and federal government plan to start human trials of two vaccine candidates in the coming months

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COVID-19

A town turned laboratory

Epidemiological studies, such as the one led in the town of Serrana, São Paulo, should provide valuable information about the pandemic

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COVID-19

Complex choices

Bioethics committees have become increasingly important in solving dilemmas brought about by the pandemic, but few hospitals have them

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Public health

An agenda for forgotten diseases

WHO launches road map to 2030 for preventing and eradicating neglected tropical diseases

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Ethics

Fewer animals in science

New legislation aims to reduce the number of animals used in teaching and research in Brazil

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Funding

A sigh of relief

Brazilian Congress overturns government veto and prohibits the withholding of funds of the FNDCT—the country’s top funder of research

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Physics

Twisted graphene

Nanoscope captures the effects of misaligning one of two overlaid graphene sheets

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Materials engineering

Made to order

Artificial intelligence system determines glass formulation based on the desired characteristics

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Photonics

New light conversion

Miniaturization on a microchip that transforms a type of electromagnetic radiation into two distinct frequencies could reduce the size of laser devices

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Environment

Hidden losses

The size of the Atlantic Forest has remained almost stable for 30 years, but old forest is losing ground to newer formations with lower biodiversity and carbon stock

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Interview

Gabriel Liguori: A bioartificial heart on the horizon

The creator of bioengineering startup TissueLabs discusses how he has sought to overcome the challenges involved in the construction of human tissues and organs with 3D printers

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Marine biology

Coral nurseries

Mobile cultivation of damaged coral in precast frames is a promising technology for rehabilitating reefs

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Public administration

Crafting healthcare policy

Since the 1970s, researchers and other actors have worked to integrate government, science, and the economy in the health-industry complex

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History

Overseas connections

Researchers investigate the production and dissemination of knowledge during the Portuguese Empire, and their ambiguous power relationships with the colonies

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