Chemistry
Video
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Analyses show how Portinari produced his work
The findings can help confirm authorship of a painting found in what used to be his home and now is the Portinari House Museum
By Redação
OCEANOGRAPHY
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Sources of methane under the sea
Two thousand craters releasing greenhouse gas found off the Brazilian coast
Chemistry
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Bacteria hungry for cleaning products
In the laboratory, the bacteria grew and multiplied using ethyl alcohol as its main energy source
By Redação
Chemistry
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The effects of crotamine on metabolism
A protein extracted from rattlesnake venom, presented three unexpected effects in recent tests on mice
By Redação
Chemistry
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The indelible pigment of Brazilwood
Raphael, Rembrandt, Pietro da Cortona, and Van Gogh all used paints containing red pigments from the bark of the brazilwood tree
By Redação
Cell Biology
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Internal communication in plants
Plant cells communicate with each other by exchanging chemical compounds, similar to the role played by neurons in animal central nervous systems
By Redação
Chemistry
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Molecule created in a laboratory
Researchers used laser beams to bump two atoms together, creating a molecule
By Redação
Photolab
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Diamonds in the sky
Tin oxide nanoparticles congregate in a cohesive circle, taking on the appearance of a volcan
By Redação
OBITUARY
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The malaria vaccine pioneer
Ruth Nussenzweig died in New York City at 89 from a pulmonary embolism
PHYSICS
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A novel filter
Intercommunicating pores in graphene oxide membranes help separate water from alcohol
Astronomy
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Rocky planets with water and an atmosphere that could support life
At least five of the seven Earth-like planets orbiting TRAPPIST-1 could hold as much as 250 times more water than the earth's oceans
By Redação
Biology
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Seabird feces plays a major role in global nutrient cycle
An international group of researchers analyzed the impact that seabird guano has on the nutrient cycle
By Redação
Biochemistry
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A possible source of replacement cartilage
New material based on aramid and polyvinyl alcohol replicate the mechanical properties of biological tissues
By Redação
Chemistry
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Enzyme transforms plants into a source of light
Chemical Engineers at the MIT have created a watercress plant capable of emitting light for up to four hours
By Redação
CHEMICAL ENGINEERING
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Water without salt
New desalination system uses activated carbon obtained from polymer conductors
Environment
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Trees in the Amazon contribute to methane emissions
Trees in the Amazon contribute to methane emissions
By Redação
SCIENTIFIC DISSEMINATION
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Dancing for science
Brazilian researcher wins Science magazine’s “Dance Your PhD” contest
By Redação
new materials
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Reconstituted silk is stronger than the natural fiber
Reconstituted silk is stronger than the natural fiber
By Redação
CORPORATE RESEARCH
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Medication innovation
Biolab invests in the development of new molecules and medicines
Chemistry
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Green reactions
Products incorporating renewable feedstocks are replacing petroleum products
ENERGY
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More efficient light
Perovskite solar cells may be an alternative to the silicon solar panels