Mayan altar reveals conflicts between ancient peoples
November 18, 2025 3:12 pmArchaeologists find Mayan altar from 300 AD clearly influenced by Mexican city
Latest Posts
Intense droughts, the greatest enemy of amphibians
November 18, 2025 3:11 pmSevere droughts have drastically reduced amphibian populations
Learning Nheengatu
November 18, 2025 3:10 pmNheengatu, language of Tupi origin, still spoken in the Amazon
Portrait of the Universe
November 18, 2025 3:10 pmSpace mission captures images of 380,000 galaxies of varying shapes and sizes
Precious information about earwax
November 18, 2025 3:04 pmCompounds in earwax may help detect cancer in its early stages
Cartography of lives
November 18, 2025 2:59 pmLetter from the editor
Short flight
November 14, 2025 5:52 pmPhoto shows newly described insect species with a lifespan shorter than 24 hours
In theory and in practice
November 14, 2025 5:52 pmEducator Caroline Jango investigates ways to tackle racism in schools
Paula Souza’s ideas still guide public health in Brazil
November 14, 2025 5:51 pmDoctor from São Paulo brought the concept of health centers from the USA and promoted good nutrition as a disease prevention strategy
Cultural radar
November 14, 2025 5:51 pmFeminist theorist Heloisa Teixeira helped promote marginal poetry and founded the University of Quebradas
Artists with disabilities defend the presence of non-normative bodies on stage
November 14, 2025 5:50 pmProductions designed with this in mind emerged in Brazil in the 1990s and seek a wide audience
Chico Buarque’s books boost international circulation of his work
November 14, 2025 5:50 pmTranslated into several languages, the author's novels have earned recognition from awards and literary circuits in countries such as Italy and Portugal
New Republic turns 40
November 14, 2025 5:49 pmPeriod of redemocratization has been marked by social advances and economic plans
Embraer eVTOL development advances
November 14, 2025 5:49 pmCompany set to begin flight tests of its flying car, which is planned to enter commercial operation in 2027
Do you want to improve your sleep and well-being? Check the light and temperature levels
November 14, 2025 5:49 pmPrototype uses sensors to assess the conditions of indoor environments
Device designed in Brazil retains some of the CO2 emitted by trucks
November 14, 2025 5:48 pmSystem captured up to 17% of gas emissions from diesel engines in real-world tests
Microorganisms provide alternative for production of sustainable oils
November 14, 2025 5:48 pmInputs can be used for development of biofuels and as an ingredient in the food and cosmetics industries
Far reaches of the Solar System could be home to another planet
November 14, 2025 5:47 pmStudy suggests the existence of a new world with a mass 7.5 times greater than Earth
Advances in experiments manipulating interactions between acoustic and light waves
November 14, 2025 5:47 pmControl of the interactions between phonons and photons could be used to develop more refined lasers and facilitate quantum information processing
Heatwaves, high acidification, and chlorophyll scarcity devastate the South Atlantic
November 14, 2025 5:47 pmSimultaneous occurrence of three types of extreme event has become more frequent in the south of the ocean since 2009
Study lists 409 edible species of wild mushrooms
November 14, 2025 5:46 pmStudy lists 409 edible species of wild mushrooms
Almost 11 million Brazilians gamble in ways that put their health and finances at risk
November 14, 2025 5:45 pmEstimate is based on a survey of 4,860 people aged over 14 from 349 municipalities
Think carefully before drinking soda or sweetened coffee
November 14, 2025 5:45 pmThink carefully before drinking soda or sweetened coffee
Traces of fraud in second-rate images
November 14, 2025 5:41 pmExperts identify new form of academic misconduct related to the sale of product designs
Sanctions made public
November 14, 2025 5:41 pmChinese government punishes 26 researchers for misconduct and shares details in online report
Irrelevant references
November 14, 2025 5:40 pmPaper retracted after authors criticize peer reviewers for pressuring them to include citations
International scientific collaborations with France
November 14, 2025 5:39 pmGraphs show numbers of scientific articles published through international collaborations with France
Website allows researchers to request evaluation of their preprints
November 14, 2025 5:37 pmAmerican website is integrated with SciELO and other international repositories
Christiane Taubira: An Amazonian with global reach
November 14, 2025 5:37 pmAfter serving as a member of parliament and minister in France, the French-Guyanese economist is preparing to contribute to COP30 with a study on the diversity of local populations
Number of Indigenous students in higher education grows, but they face challenges graduating
November 14, 2025 5:37 pmIndigenous students struggle with cultural barriers and prejudice, and may need more time to complete their studies