
A new study has reconstructed the evolution of the planet’s strongest nonhydrostatic geoid depression —the Antarctic Geoid Low (AGL)— finding that the feature has persisted for at least 70 million years and underwent a major shift in both position and strength between roughly 50 and 30 million years ago.

With fewer than four months to go before the 2026 FIFA World Cup kicks off, the United States, Canada and Mexico —the tournament’s three host countries— are reporting significant measles resurgences, a highly contagious disease that had been pushed back across the region through routine immunization. Health authorities and international bodies are urging stronger vaccination and surveillance as public trust in vaccine guidance frays.

Uruguay’s President Yamandú Orsi tested negative for chickenpox after undergoing screening prompted by a confirmed case within the official delegation that returned from a trip to China, the Ministry of Public Health (MSP) said on Monday.

An Argentine-led deep-sea expedition has recorded rare footage of Stygiomedusa gigantea—the so-called giant phantom jellyfish—in waters off Argentina, offering an unusual look at a species seldom observed alive in its natural environment. The animal was filmed at around 250 meters depth by the remotely operated vehicle SuBastian during the “Vida en los extremos” campaign aboard the research vessel R/V Falkor (too), involving scientists from CONICET and the University of Buenos Aires (UBA).

The United Kingdom has lost its measles elimination status, the World Health Organization has announced. The move was based on the spread of cases in 2024 when there were 3,600 suspected cases. However elimination status means there is no sustained transmission so this decision was largely expected, given the scale of the outbreaks in 2024.

More than six in ten Brazilians are now overweight and obesity affects roughly one in four adults, according to official health data released this week and carried by Agência Brasil. The survey estimates that 62.6% of the population had excess weight in 2024, up from 42.6% in 2006, while obesity (BMI ≥ 30) doubled from 11.8% to 25.7% over the same period.

Dr. Nicholas Midgley, a senior lecturer and his team from Nottingham Trent University have been in the Falkland Islands for the last three weeks investigating coastal peatland and tussac’s significance for agriculture and wildlife.

Brazilian President Luiz Inácio Lula da Silva will undergo cataract surgery on his left eye on Friday, the presidential palace said after preoperative tests were conducted on Thursday in Brasília. The 80-year-old leader returned overnight from Panama, where he attended the International Economic Forum for Latin America and the Caribbean, and spent Thursday at the official Granja do Torto residence.

Uruguay’s Public Health Ministry confirmed this week it had detected for the first time two cases of the so called ‘super flu K’ H3N2, both from people returning to the country, a boy who recently arrived from Finland, and a woman who visited next of kin in United States.

The Falkland Islands elected Legislative Assembly has agreed a revised portfolio system for the 2025-2029 term. Following the December 2025 General Election, Members reviewed the structure to improve focus, and align related policy areas.