Guia Covid-19

Eduardo Geraque

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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Ecology

Lowered immunity

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

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Ornithology

Where birds came from

Most species in the tropics emerged in extreme environments, such as deserts and mountains, before establishing themselves in other biomes

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Botany

Tropical trees die sooner

Tropical species have average lifespans of 186 years, while temperate species live for an average 322 years, a study on 438 tree species shows

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COVID-19

The era of genetic vaccines

The vaccines from BioNTech/Pfizer and Moderna result from historical investments in messenger RNA technology leading to the creation of new products

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BIOTA - 20 YEARS

A poisonous weave

A spider web commonly found in the Americas is composed of toxins that paralyze and help kill prey

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COVID-19

Stuttering progress

Advanced testing of COVID-19 vaccines continues at an accelerated pace, despite occasional interruptions caused by safety concerns

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Neurosciences

A smell, a response

Mouse brain activates a distinct set of neurons in response to different animal odors

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Nutrition

Digit data

Isotopes in the fingernails reveal information about a person’s diet and can be used to infer their socioeconomic status

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UFRJ – 100 YEARS

Strengths in life sciences

From basic to applied research, UFRJ has produced cutting-edge science across different fields

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Paleontology

The oldest scorpion in South America

260-million-year-old arthropod fossil found in sedimentary rocks at the side of the road in the state of Santa Catarina

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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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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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Microbiology

Fighting infections with graphene

Nanomaterial enables low doses of light to eliminate bacteria

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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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Paleoclimate

Storms in the Ice Age

In the last glacial period, torrential rainfall in what is now Brazil was mostly concentrated in the Northeast and the Amazon

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Molecular biology

Sugarcane mapped

A team coordinated by Brazilian scientists finds over 370,000 genes when sequencing a commercial cultivar of the plant

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Molecular Biology

A promising forecast

A promising forecast

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Structural biology

The essence of molecules

Crystallography facilitates drug development

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Environment

A theory endures

A lizard from the Amazon region reinforces a German geologist’s position

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Molecular Biology

A promising forecast

An effective Brazilian drug to combat Chagas disease

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Crodowaldo Pavan

Influences and developments

Brazil has a number of groups that are working at the cutting edge of knowledge

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Technology

Deep Stability

Researchers from USP develop an unprecedented project for a platform to extract oil on the high seas

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marine engineering

Deep Stability

Researchers develop a project for a platform to extract oil on the high seas

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Nanotechnology

The Ideal Shape

Researchers show carbon nanotubes that slide almost without friction

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