Chemistry
AGRICULTURE
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Pesticides can affect the health of agricultural workers
With a rise in the use of pesticides in Brazil, rural workers are increasingly being exposed to short- and long-term health impacts
By Yuri Vasconcelos and Frances Jones
Chemistry
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Collaboration to fight drug resistance
Seven pharmaceutical companies pledge to share surveillance data on antimicrobial resistance
By Redação
OPTICS
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New system improves the performance of atomic-resolution microscopes
Innovation developed at UNICAMP launched on the global market by American company
By Suzel Tunes
AGRONOMY
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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
By Tiago Jokura
Astronomy
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Two planets, similar but different
Known as the ice giants, Uranus and Neptune are similar in composition, mass, and size, but they are different shades of blue
By Redação
COVID-19
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Anti-coronavirus semiconductors
Nanotechnological materials emerge as promising alternatives in the battle against SARS-CoV-2 and future pandemics
By Suzel Tunes
infectology
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Mosquitoes learn to avoid poison
Disease-carrying insects can learn to avoid insecticides after being exposed just once to nonlethal doses
By Redação
Chemistry
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Fire-retardant coating inspired by lava
A group of researchers from China and Australia has developed a promising fire-retardant coating inspired by the properties of lava
By Redação
Archaeology
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233,000-year-old human fossils
The oldest fossils of modern humans ever found are at least 233,000 years old
By Redação
GEOLOGY
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A very special diamond
A diamond contains a mineral that has never been seen before
By Redação
Chemistry
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Paint made of mercury and blood
A 1,000-year-old gold mask that belonged to a leader of the Sicán culture was painted with mineral pigment, human blood, and egg white
By Redação
Geology
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Exoplanets with exotic rocks
The rocky planets orbiting stars outside our Solar System may have a very different chemical composition to Earth
By Redação
Materials engineering
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The power of copper
Copper nanoparticles can be used to create biocidal fabrics and agricultural pesticides
By Suzel Tunes
Nobel Prize
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Everything as before
The Royal Swedish Academy of Sciences decided not to award this year’s Nobel Prize to the development of mRNA-based vaccines
By Redação
Chemistry
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The Lavoisiers, transformed
Researchers discovered important differences in the original composition of the iconic portrait of Antoine Lavoisier and his wife
By Redação
Chemistry
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A 100-year-old Brazilian patent
A century ago, chemist and photographer Ubaldo Conrado Augusto Wessel (1891–1993) patented a new formula in the country for bathing photographic papere
By Redação
Environment
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CO2 extraction plant
The largest plant designed to remove carbon dioxide from the atmosphere began operating in Ireland on September 8
By Redação
Obituary
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Solid knowledge
Oswaldo Luiz Alves helped advance inorganic chemistry and nanotechnology in Brazil
By Redação
Pharmacology
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New Alzheimer’s drug sparks controversy
A new compound designed to fight Alzheimer's disease is causing controversy
By Redação
Agriculture
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New biological pest control agents
Natural tick control and lacewings could help fight pests in Brazil’s cattle and coffee industries
By Suzel Tunes and Tiago Jokura
Materials engineering
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Made to order
Artificial intelligence system determines glass formulation based on the desired characteristics
nuclear tests
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France underestimated how many were affected by nuclear testing
The inhabitants of the archipelagos of French Polynesia were exposed to 2–20 times more radiation than previously estimated
By Redação