The University of Arizona is working together to expand human potential, explore new horizons and enrich life for all. As a land-grant university with two independently accredited medical schools, the University of Arizona is one of the nation’s top public universities, according to U.S. News & World Report. Established in 1885, the university is widely recognized as a student-centric university and has been designated as a Hispanic Serving Institution by the U.S. Department of Education. The university ranked in the top 25 in 2018 in research expenditures among all public universities, according to the National Science Foundation, and is a leading Research 1 institution with $687 million in annual research expenditures. The University of Arizona is a member of the Association of American Universities, the 65 leading public and private research universities in the U.S. It benefits the state with an estimated economic impact of $4.1 billion annually.
U.S. Secretary of State Marco Rubio, whose actions have raised suspicions within the U.S. Congress regarding possible interference in Brazil’s electoral process: one country’s attempt to influence another’s domestic politics is nothing new, but digital platforms now offer unprecedented speed and concealment for such actions.
AFP, via Folhapress
Research shows that electoral threats do not only affect the ballot box, but also hijack public debate, using polarization to erode trust in democratic institutions.
O secretário de Estado Marco Rubio, cuja atuação desperta desconfianças no próprio Congresso Americano sobre possível interferência no processo eleitoral do Brasil: a tentativa de um país de influenciar a política interna de outro não é nenhuma novidade. A diferença é que as plataformas digitais agora oferecem uma velocidade e uma camuflagem inéditas para ações do tipo. E o alvo desses ataques não são máquinas, mas sim o próprio debate público, que é inundado por desinformações que corroem a confiança nas instituições democráticas e deformam a percepção dos cidadãos.
Imagem: AFP, via Folhapress
Pesquisas revelam que ameaça eleitoral não atinge somente urnas, mas também sequestra debate público, usando polarização para corroer confiança nas instituições democráticas
Monks from Bochasanwasi Akshar Purushottam Swaminarayan Sanstha, a Hindu group, take part in a religious ceremony in front of the Eiffel Tower in Paris on Sept. 3, 2026.
Kenzo Tribouillard / AFP via Getty Images
Different types of thoughts are meaningfully tied to our emotional well-being. By understanding these connections, we can identify new ways to support and improve our mental health.
A firefighter works to contain a wildfire in Gironde, France, in late July.
Mael Dubiez / EPA
Friendships are integral to human health and well being, yet researchers know very little about how people make friends. A new study investigated what people prioritize for new friendships.
Barbed wire surrounds the GEO Group ICE detention facility in Adelanto, Calif. on July 10, 2025.
Patrick T. Fallon/AFP via Getty Images
Scholars have defined the elements of what qualifies as a concentration camp system. Based on those, ICE detention facilities meet the definition of concentration camps.
Embora raramente seja agressiva, a aranha-violinista e outras reclusas de seu gênero são conhecidas pelos danos que seu veneno pode causar a pessoas.
Lisa Zins/Flickr
Not all spider venoms are created equal. Some are harmless to people, while others can be quite dangerous.
The universe is filled with countless galaxies, stars and planets. Humans may one day discover extraterrestrial life.
ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi
The fictional biologist in ‘Project Hail Mary’ claims that potential alien organisms might not be made of carbon or require water, unlike life on Earth.
The reservoir behind the Glen Canyon Dam is extremely low.
Jim West/UCG/Universal Images Group via Getty Images
The damage from military attacks on cities can fill the air with pollutants that harm the lungs and stress the heart.
The Hyperion Water Reclamation Plant in Los Angeles handles a massive amount of sewage and wastewater.
Dean Musgrove/MediaNews Group/Los Angeles Daily News via Getty Images
Desalination of seawater and sewage treatment plants leave behind water that contains high concentrations of salt, metals and other contaminants. What if that water could be separated from the rest?
Novo equipamento recém-lançado para a órbita da Terra vai complementar observações do Telescópio Espacial James Webb ao permitir analisar interferência de variações no brilho e comportamento das estrelas hospedeiras nas medições sobre exoplanetas.
European Space Agency
As descobertas do Pandora complementarão os dados do Telescópio Espacial James Webb, proporcionando aos astrônomos mais informações sobre estrelas e planetas fora do nosso Sistema Solar.
A new NASA mission will study exoplanets around distant stars.
European Space Agency
The findings from Pandora will complement data from the James Webb Space Telescope to give astronomers more insight into stars and planets outside our solar system.
The aftermath of a protest in Hamedan, Iran, on Jan. 1, 2026.
Mobina/Middle East Images/AFP via Getty Images
Angered not just by social crises, Iranians are asking fundamental questions about the costs and sacrifices demanded by the Islamic Republic’s ruling ideology.
Studies show PFAS can be harmful to human health, including pregnant women and their fetuses.
Olga Rolenko/Moment via Getty Images
An innovative study mapped preterm births, low birth weights and infant mortality to municipal water wells downstream from PFAS-contaminated sites. The results show the high cost of PFAS harm.
Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter.
ESO/M. Kornmesser
Au bureau comme sur scène, l’humour demande du doigté. Penser « drôle » – plutôt que jouer au comique – permet d’innover, d’unir et de surprendre sans perdre en crédibilité.