Chemistry
infectology

Mosquitoes learn to avoid poison
Disease-carrying insects can learn to avoid insecticides after being exposed just once to nonlethal doses
By Redação
Chemistry

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

233,000-year-old human fossils
The oldest fossils of modern humans ever found are at least 233,000 years old
By Redação
GEOLOGY

A very special diamond
A diamond contains a mineral that has never been seen before
By Redação
Chemistry

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

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

The power of copper
Copper nanoparticles can be used to create biocidal fabrics and agricultural pesticides
By Suzel Tunes
Nobel Prize

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

The Lavoisiers, transformed
Researchers discovered important differences in the original composition of the iconic portrait of Antoine Lavoisier and his wife
By Redação
Chemistry

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

CO2 extraction plant
The largest plant designed to remove carbon dioxide from the atmosphere began operating in Ireland on September 8
By Redação
Obituary

Solid knowledge
Oswaldo Luiz Alves helped advance inorganic chemistry and nanotechnology in Brazil
By Redação
Pharmacology

New Alzheimer’s drug sparks controversy
A new compound designed to fight Alzheimer's disease is causing controversy
By Redação
Agriculture

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

Made to order
Artificial intelligence system determines glass formulation based on the desired characteristics
nuclear tests

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
Crop science

Soil genetics
New mineral mapping technique can help farmers save on farm inputs and minimize environmental impacts
Chemistry

Signs of life on Venus fade
Venus was the center of attention in September when Jane Greaves of Cardiff University, UK, and her colleagues published a paper in Nature Astronomy on the high concentrations of phosphine gas (PH3) detected in the planet’s atmosphere
By Redação
COVID-19

Monitoring the evolution of COVID-19
Blood levels of a particular protein can indicate the severity of coronavirus infections and guide the response of the attending health care team
By Redação