Biochemistry

BIOTECHNOLOGY

Scientists develop serum for Africanized bee venom

Scientists develop serum for Africanized bee venom

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Environment

Alaskan rivers turn orange and acidic

Minerals in the soil alter water color in dozens of Alaskan rivers

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Biochemistry

The chemistry of a teenager’s smell

Hormone residues alter body odor in adolescence

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CHEMISTRY

Mushrooms and biogas from brewery waste

Brewery waste used to produce biogas and feed mushrooms

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Photolab

Frozen? Not always

Project monitors how snowmelt affects seawater, air, and sediment in Antarctica

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ASTROPHYSICS

Complex organic molecules found in the ice of nascent stars for the first time

Complex molecules associated to the origins of life identified in solid phase in two emerging stars

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Biochemistry

Floating flowers to clean rivers

Flowers on mats helped clean river water in the USA

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Medicine

Signs of Parkinson’s disease in the skin

In the future, a skin exam could help doctors diagnose Parkinson's disease

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New Materials

Flexible solar cells in thin plastic films

Australian scientists make flexible solar cells from thin plastic film

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Innovation

Fireflies of the plant world

Bioluminescent plant that emits green light in the dark goes on sale in the USA

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Sustainability

SAF Studies advance in the country

Universities and research centers are investigating new methods, processes, and raw materials to increase biofuel production and reduce costs

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Sustainability

The road to renewable fuel

In the global race to decarbonize the airline sector, Brazil could play a leading role through the production of an alternative to fossil kerosene

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Immunology

Mechanism that keeps the immune response in check also aggravates malaria

The protozoan that causes the disease multiplies freely when certain immune cells are taken out of the fight

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Photolab

Devilish shine

Bioluminescent mushrooms found in the interior of São Paulo belong to a new genus

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Cover

The path to sustainable hydrogen

Brazil begins producing the fuel, which is seen as key to the transition to a low-carbon economy

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BIOCHEMISTRY

From water to hydrogen

Research project carried out at the Sirius synchrotron sheds light on breaking water molecules with a new biocatalyst

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Physiology

Maternal hormones affect brain areas that control hunger and satiety in the fetus

Studies suggest that metabolism can be programmed from gestation, leading to obesity and diabetes

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Medicine

Medicinal cannabis seeds on sale in Argentina

Medicinal cannabis seeds approved for sale in Argentina

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PALEONTOLOGY

The ice age in the brazilian pampas

Fossils such as a tibia of a giant sloth, which can measure 60 centimeters, catch the eye amongst the shells on Concheiros beach in the state of Rio Grande do Sul

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Climate

CFC emissions have increased 2.6-fold over the past decade

Atmospheric concentration of five types of gas responsible for destroying the ozone layer peaked in 2020

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Climate change

Mosses are major carbon sinks

The total area of land covered by moss worldwide, almost equal to the size of China, removes 6.43 billion tons of gas from the atmosphere every year

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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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