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Archaeology
Mayan city emerges from a forest in Mexico
Ancient Mayan city found in ecological reserve in southeastern Mexico
By Redação
Chemical
Method distinguishes chemical identities of coffees
New technique identifies the origin of Brazilian canephora coffees from the states that produce the most
By Redação
Sustainability
A hydrosolar megastation in China
World's largest combined hydro and solar power station begins operating in China
By Redação
Health
The sensitive eyes of women
Women at higher risk than men of suffering ocular toxoplasmosis multiple times
By Redação
Paleontology
Hollow bones promoted gigantism in dinosaurs
Fossil helps explain how dinosaurs became giants
By Redação
Ecology
Oil palm advances in Pará
Large oil palm (Elaeis guineensis) plantations can harm biodiversity
By Redação
Engineering
Jamaicans behind British iron
Wrought iron production method was invented by Black metalworkers in Jamaica before being taken to England
By Redação
Medicine
Medicinal cannabis seeds on sale in Argentina
Medicinal cannabis seeds approved for sale in Argentina
By Redação
Biology
Mimicking smell key to survival
Similar smell prevents fighting between termites of different species within the same termite mound
By Redação
Biology
Devastating invasion of the Brazilian sea
Lionfish are spreading along the Brazilian coast, having a harmful effect on fishing and the survival of native species
By Redação
LETTER FROM THE EDITOR | 330
Good questions
The Human Genome Project was a hot topic in science journalism at the turn of this century. Technological advances allowed an international consortium of 20 institutions to sequence and analyze the regions of human DNA that encode proteins — the project took 13 years of work and cost US$3 billion. To make the story even... View Article
Sustainability
Bamboo, a renewable energy source
Thanks to its rapid growth, bamboo can serve as a renewable energy source
By Redação
LETTER FROM THE EDITOR | 329
Resilience and mobilization
The press has reported widely on the imminent repatriation of an Ubirajara jubatus dinosaur fossil illegally removed from Northeast Brazil in 1995. In more recent years, UNESCO has been discussing the ethics of the cultural goods market, trying to reach a consensus on the sale of objects with historical value. In May, Brazil joined the... View Article
Environment
Signs of the next El Niño
The 2023 El Niño could be one of the most intense of the last three decades
By Redação
Pollution
Plastic-eating microbes
Bacteria and fungi from icy areas degrade plastics at room temperature
By Redação
Space mission
Evidence of ancient rivers on Mars
New images from Perseverance show signs of what might have been a river on Mars
By Redação
Health
Kidney damage caused by dengue virus type 4
Serotype 4 of the dengue virus (DENV-4), which resurfaced in Roraima in 2010, is once again causing concern
By Redação
Geology
Agency takes responsibility for failed risk assessment
Agency admits failure to communicate volcanic risk to helicopter pilots
By Redação
Agriculture
Fruit laboratory in South Africa
South Africa inaugurates laboratory to adhere to international regulations on pests that affect fruit quality
By Redação
Ecology
Coastal vegetation, carbon sponges
Coastal ecosystems with vegetation are essential for storing organic carbon
By Redação
Environment
Another plan to stop deforestation in the Amazon
Federal government relaunches plan to achieve zero deforestation in the north of Brazil by 2030
By Redação
Mobility
Lithium battery–powered bus in Argentina
A new type of lithium battery–powered electric bus, the first in the country, begins operations in Argentina
By Redação
Biotechnology
Fungi, sources of flavor and problems
Fungi on the rind give flavor and cause problems for cheeses from Minas Gerais
By Redação
History
The oldest recorded kiss, found in Mesopotamia
A 4,500-year-old clay tablet from Mesopotamia depicts a couple kissing
By Redação
Aerospace technology
Open letter defends Russian scientists arrested for treason
Hypersonic missile experts deny leaking secrets to China
By Redação
Aeronautic engineering
EMBRAER’s flying car passes decisive test
Startup Eve Air Mobility makes advances in its development of a Brazilian flying car
By Redação
Paleontology
Fossil extends the history of peppers
Chili peppers appear to have existed in North America long before their supposed origin in South America
By Redação