Biochemistry

Food

Only a quarter of the average bottle of ketchup is tomato pulp

Study analyzed 25 brands of tomato sauce available in a town in the state of São Paulo

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Food

Another way to consume babassu

Researchers create a drink and cheese from babassu seeds

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Health

More powerful sunscreens

Antioxidant rosmarinic acid improves blocking of ultraviolet rays in sunscreen

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Obituary

Science, a collective activity

Internationally renowned parasitologist Erney Plessmann de Camargo rebuilt scientific institutions and always showed concern for social issues

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Interview

Jorge Almeida Guimarães: From farming to protein chemistry

The unexpected story of the son of two farm laborers who, after starting school aged 10, went on to become a researcher and president of CAPES and EMBRAPII

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Restoration

Bacterial ink for works of art

Method for 3D printing with an ink containing calcium carbonate–producing bacteria could be used in art restoration

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Health

High rates of vitamin D insufficiency

Even people who sunbathe regularly may have lower than recommended blood vitamin D levels

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Health

Immune cells increase pain from nerve damage

Immune cells increase chronic pain from nerve damage

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OBITUARY

Defender of access to science

Biochemist Isaías Raw produced internationally relevant research, actively disseminated knowledge, and contributed to the production of vaccines and immunobiologicals

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Biochemistry

New biocatalyst may be more efficient at breaking down the water molecule

USP researchers shed light on reaction fundamental to hydrogen fuel production

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Acknowledgment

UNICAMP physicist and UFRJ biophysicist win national award

Physicist from Unicamp and biophysicist from UFRJ were awarded in the 4th edition of the event

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Energy

Airline industry strives to eliminate its carbon footprint

Brazil has the technology and raw materials needed to be a global leader in sustainable aviation fuel production

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AGRONOMY

Strategies aim to reduce external dependence on fertilizer feedstock

Techniques to help farmers use fertilizers more efficiently, inserting microorganisms into seeds, and identifying new feedstock sources have the potential to reduce the need for imports

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ARCHAEOLOGY

Dating indicates that skeleton found in Piauí is 9,600 years old

Nicknamed Zuzu, the individual was a contemporary of the oldest human groups in South America

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COVID-19

Anti-coronavirus semiconductors

Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics

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photolab

Light sensors

In the lab, zebrafish larvae become covered in green glowing dots when exposed to certain drugs or pollutants

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Astronomy

Ceres may have formed beyond Saturn

Ceres's chemical composition suggests the dwarf planet formed beyond Jupiter's orbir

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biochemistry

Skyscrapers for bacteria communities

Under ideal conditions, Cyanobacteria convert more light to chemical energy

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ECOLOGY

Transgenic zebrafish found in streams in the Paraíba do Sul basin, Minas Gerais

More than a hundred specimens of the fluorescent zebrafish were captured by researchers

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ZOOLOGY

Hibernation delays aging in marmots and encourages sexual maturation in ground squirrels

Studies on the effects of hibernation were carried out by Brazilian researchers in the USA

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ENERGY

Brazil prepares to start producing green hydrogen

Businesses and academia aim to put Brazil on the sustainable gas map by backing the fuel of the future

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Careers

Healthy innovation

Researcher from Minas Gerais recognized for studies on diagnosis and prevention of infectious diseases

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Geochemistry

Witnesses to a primitive Earth

Rocks found in Minas Gerais contain evidence of pockets of oxygen from 400 million years before the gas accumulated in the planet’s atmosphere

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Archaeology

233,000-year-old human fossils

The oldest fossils of modern humans ever found are at least 233,000 years old

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Health

Focus on the bacillus

Fast, portable, and sensitive, a new test could be a useful tool for preventing leprosy and helping with early diagnosis.

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Endocrinology

A delicate balance

Brazilians identify new areas of the brain's hunger circuit

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Photolab

Fertility clock

Genetic alterations to the biological clock could be linked to fertility disorders

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Video

The plant biological clock benefits agriculture

Understanding the plant circadian rhythms, and learning how to manipulate them, may widen cultivation options | 2'42

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Physics/Chemistry

Free passage through the skin

Simulations indicate that applying an electric field stimulates the formation of "blisters" that turn the epidermis into a gateway for drugs to enter the body

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Photolab

Invisible message

When stimulated with ultraviolet light, the cock-eyed squid (Histioteuthis sp.) becomes covered with bright red dots

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