Chemistry
PHOTOLAB
The aesthetics of imperfection
A large electric voltage bias is used to spin ultrafine nanometric fibers into membranes that can filter water
By Redação
Photolab
Niobium in bloom
"Flowers" bloom inside a device that works like a pressure cooker at a University of São Paulo Chemistry Institute laboratory
By Redação
Oceanography
Sources of methane
Two thousand craters releasing the greenhouse gas found off the Brazilian coast
Corporate research
Natural flavor
Duas Rodas, in southern Brazil, is investing to develop food ingredients that are responsive to emerging consumer demands
PHOTOLAB
Medicinal necklaces
Crnkovic studied microalgae in fresh water as part of her PhD research, which involved bioprospecting for compounds that could help fight cancer
By Redação
Physical chemistry
The periodic table at a crossroads
After 150 years, the diagram that arranges the chemical elements based on their similar properties faces difficulties for further growth
Physico-chemistry
Hidden strokes of Portinari
Tests show how the artist produced his artwork and may be useful in confirming the painter of a piece found in his former home
Biochemistry
Green, yellow, or red
Bioluminescence research sheds new light on the mechanisms behind firefly colors
Nobel Prize 2018 | Chemistry
Directed protein evolution
The Nobel Prize in Chemistry was shared by three researchers who controlled genetic changes and selective processes in a laboratory
By Redação
Environment
Mangroves store more carbon than the rainforest
In the Amazon, every hectare of mangrove contains twice as much carbon as the same area of inland forest
By Redação
Video
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
Sources of methane under the sea
Two thousand craters releasing greenhouse gas found off the Brazilian coast
Chemistry
Bacteria hungry for cleaning products
In the laboratory, the bacteria grew and multiplied using ethyl alcohol as its main energy source
By Redação
Chemistry
The effects of crotamine on metabolism
A protein extracted from rattlesnake venom, presented three unexpected effects in recent tests on mice
By Redação
Chemistry
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
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
Molecule created in a laboratory
Researchers used laser beams to bump two atoms together, creating a molecule
By Redação
Photolab
Diamonds in the sky
Tin oxide nanoparticles congregate in a cohesive circle, taking on the appearance of a volcan
By Redação