Science

Archaeology

30,000 years ago in the Americas

Mexican site suggests settlement of the Americas began 30,000 years ago

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Cover

The puzzle of immunity

Crucial questions about the response of the immune system to the novel coronavirus remain unanswered

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Physics

How to create a skyrmion

Microscopic metal structures produced and controlled by short-lived magnetic pulses could be used to store data

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Neuroscience

Early deficit

People with Huntington's disease tend to produce fewer neurons since birth

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Ecology

Protecting the turtles

Combined use of sound recordings, aerial images, and environmental data improves monitoring of endangered Amazon species

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Environment

The return of deforestation

Official INPE figure says 10,129 km2 of the Amazon were deforested in 2019, the most since 2008

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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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Cover

Difficult exit

Quarantine relaxation strategies differ around the country

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COVER

Standing alone

Brazilian vaccine projects race to begin clinical trials next year

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COVER

Saving time

Brazilian research centers negotiate deals to import vaccine production technology

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Covid-19

Looking for shortcuts

International teams use eight different techniques to create 150 COVID-19 vaccine candidates in six months

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Oil and gas engineering

Caverns for storing gases

New technology will allow deep-sea storage of the carbon dioxide and methane associated with oil extraction in pre-salt petroleum fields

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Environment

Biomes under attack

97% of the 12,000 square kilometers of land deforested in Brazil last year was in the Amazon and the Cerrado

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Atmospheric sciences 

Pizza soot

Pizzerias in São Paulo produce the equivalent of 9% of the fine particulate matter emitted by vehicles in the city’s Metropolitan Region

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Astronomy

Windows on the Milky Way

Regions of space with less gas and dust allow astronomers to observe stars on the other side of the galaxy

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Environment

Fire and biodiversity

Experiment suggests that small, controlled fires increase the number of plant species in the Cerrado without decreasing the number of animals

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Interview

Michael Boris Green: The tuner of strings

British physicist shares his role in the 1980s reformulation of a theory that aims to describe all that exists in the universe

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Pharmacology

Medicines from Cannabis

Based on its proven efficacy for epilepsy, cannabidiol has become the target of intensive research

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Public health

Novel coronavirus in Brazil

The new coronavirus that emerged in China has arrived in the country, where four other less dangerous types already circulate

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Pesquisa Fapesp 20 Years

Stories on the wing

Both living and extinct birds have been the subjects of various reports over 20 years of Pesquisa FAPESP

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Ecology

Winged invasion

In four decades, 35 alien bird species have colonized deforested areas on experimental properties in Brazil’s Amazon

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Paleontology

The extinct manatee of Rondônia

Newly discovered species lived in the Madeira River region 45,000 years ago

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Microbiology

Fighting infections with graphene

Nanomaterial enables low doses of light to eliminate bacteria

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Agriculture

Low-phosphorus sugarcane farming

Sustainability measures could reduce the use of inorganic fertilizers by up to 63%

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Geochemistry

Stardust found in meteorite

Meteorite that fell in Australia in 1969 contains material up to 7.5 billion years old—older than our solar system

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physics

Big data and new materials

Scientists turn to digital mining techniques and huge databases of compounds in efforts to accelerate the discovery of new structures

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Physics

Germanium energy

New material could increase the durability and safety of lithium batteries

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Population genetics

The last of the Tupiniquim

Indigenous people from Espírito Santo reached the Brazilian coastline 1,200 years ago and later met European colonizers during the Age of Discovery

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Zoology

Rescuing the watercolors

New book gathers more than 500 "lost" drawings of Brazilian fish produced during a 19th century expedition

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Ecology

Pollinating ants

The ant species Camponotus crassus is the primary fertilizer of the evergreen plant species Paepalanthus lundii, endemic to the Cerrado of Minas Gerais

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