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Genomics

Disease-immune orange trees

New cultivars developed at the Campinas Agronomic Institute using tangerine genes show resistance to citrus variegated chlorosis

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Biotechnology

Biotech mining

Use of bacteria for processing ore from gold deposit in Mato Grosso could reduce environmental risk and costs of operation

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Algorithms

Artificial intelligence to help the heart

New computer software could improve the speed and efficiency of heart-disease diagnosis and treatment

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Biology

A dose of Darwin in taxonomy

New method of classifying living organisms favors evolutionary history and abandons the divisions of the Linnaean system

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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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Genetics

Like those before

The first native peoples of the Americas had similar physical traits to current indigenous populations: brown eyes, black hair, and dark skin

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Archaeology

30,000 years ago in the Americas

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

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Bibliometrics

Wider reach

Report on scientific journal impact factors shows Brazilian periodicals are improving

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Interview

A builder of startups

Computer scientist Nivio Ziviani, from Minas Gerais, has founded five startups and sold one to Google

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COVER

Pandemics as allegory

Writers and artists use images of plague to portray tragic events and reflect on the human condition

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COVER

Sharing and expanding knowledge

Data sharing has grown amid the pandemic and perceived benefits can drive further growth

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COVER

Varying investment in science

Countries increase spending on COVID-19, but levels of investment in research vary

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Cover

The risk of traveling by plane

The probability of catching a respiratory virus, such as the novel coronavirus, is high for those close to a contaminated passenger and low for those further away

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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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Cover

Health professionals under emotional stress

Depression rates for health professionals who care for COVID-19 patients have tripled

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Cover

The emotional pain of the pandemic

Psychological suffering and mental illness caused by radical changes to daily life, fear of getting sick, and an economic crisis

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COVID-19

In the skies above Scotland

Skyports plans to start a new drone service for transporting medical supplies, tests, and samples between hospitals on the west coast of Scotland

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COVID-19

A potential virus reservoir

Adipose tissue may act as a reservoir for the novel coronavirus, suggests a study conducted by researchers at the University of Campinas

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COVID-19

Vaccine tests advance

One of the best-known COVID-19 vaccine candidates achieved good results in the first phase of clinical trials

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Environment

Logging on the rise in Europe

The growing timber industry in the European Union may prevent the region from reaching its goal of being carbon neutral by 2050

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History

Rescuing UFMG’s museum collection

The quick response of the Collection Preservation Management Commission of the Federal University of Minas Gerais has proven fundamental to rescuing technical reserve collection 1 of the university’s Natural History Museum and Botanical Garden, struck by a fire on June 16

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Pharmacology

Lasting action against HIV

Researchers at American pharmaceutical company Gilead Sciences have published the results of clinical trials of a new long-acting antiretroviral against HIV

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Paleontology

Dinosaur or lizard?

In March, paleontologists announced an incredible discovery. The research team, led by Jingmai O’Connor of the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, China, published an article in Nature on the smallest dinosaur species ever identified: Oculudentavis khaungraae, described based on a skull found trapped in a 99-million-year-old fragment of amber found in Myanmar,... View Article

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Public health

Lead in the Paris air

A ton of lead may have been deposited over a 1 kilometer radius around Notre-Dame Cathedral in Paris as a result of the April 2019 fire

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Technology

Nanocellulose sensors

Microbial nanocellulose could be used to make electrochemical sensors that attach to the skin to monitor health conditions or physical performance

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Astronomy

Heading for Mars

The United Arab Emirates launched its first interplanetary space probe from a space center in Japan

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Astronomy

Asteroid showers on Earth and the Moon

About 800 million years ago, fragments of a large asteroid collided with Earth and the Moon

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Biochemistry

Venomous amphibians

Caecilians are venomous animals, capable of injecting venom into their prey, say researchers from the Butantan Institute

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Atmospherical Science

South American megaflashes

The longest lightning bolt ever recorded stretched 709 kilometers across southern Brazil on October 31, 2018, the World Meteorological Organization reported in June

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History

The first voyages across the Pacific

The first inhabitants of Polynesia had contact with native peoples from the Americas just over 800 years ago

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