International
Dinosaur tail found in Chile stuns scientists
AFP
Chilean paleontologists on Wednesday presented their findings on a dinosaur discovered three years ago in Patagonia which they said had a highly unusual tail that has stumped researchers
The remains of the Stegouros elengassen were discovered during excavations in 2018 at Cerro Guido, a site known to harbor numerous fossils, by a team who believed they were dealing with an already known species of dinosaur until they examined its tail.
“That was the main surprise,” said Alexander Vargas, one of the paleontologists. “This structure is absolutely amazing.”
“The tail was covered with seven pairs of osteoderms … producing a weapon absolutely different from anything we know in any dinosaur,” added the researcher during a presentation of the discovery at the University of Chile.
The osteoderms — structures of bony plaques located in the dermal layers of the skin – were aligned on either side of the tail, making it resemble a large fern.
Paleontologists have discovered 80 percent of the dinosaur’s skeleton and estimate that the animal lived in the area 71 to 74.9 million years ago. It was about two meters (almost seven feet) long, weighed 150 kilograms (330 pounds) and was a herbivore.
According to the scientists, who published their research in the journal Nature, the animal could represent a hitherto unknown lineage of armored dinosaur never seen in the southern hemisphere but already identified in the northern part of the continent.
“We don’t know why (the tail) evolved. We do know that within armored dinosaur groups there seems to be a tendency to independently develop different osteoderm-based defense mechanisms,” said Sergio Soto, another member of the team.
The Cerro Guido area, in the Las Chinas valley 3,000 km (1,800 miles) south of Santiago, stretches for 15 kilometers. Various rock outcrops contain numerous fossils.
The finds there allowed the scientists to surmise that present-day America and Antarctica were close to each other millions of years ago.
“There is strong evidence that there is a biogeographic link with other parts of the planet, in this case Antarctica and Australia, because we have two armored dinosaurs there closely related” to the Stegouros, said Soto.
International
Paraguay launches dengue vaccination for children in high-risk areas
Dengue fever, transmitted by the Aedes aegypti mosquito, remains a persistent threat in tropical and subtropical countries such as Paraguay, where it claimed the lives of 132 people among nearly 100,000 infections during the 2023–2024 Southern Hemisphere summer, according to official data. However, that figure was lower than the record set in the 2012–2013 season, when 252 deaths were reported among roughly 130,000 infections.
“Today marks a very important step toward protecting our children and bringing peace of mind to families,” Paraguay’s Minister of Health, María Teresa Barán Wasilchuk, said in a speech on Wednesday.
The vaccine will be administered to children between 6 and 8 years old in municipalities with the highest incidence of dengue cases in the past five years. Authorities will use TAK-003 (Qdenga), developed by Takeda—one of Japan’s largest pharmaceutical companies—which was approved by the World Health Organization (WHO) in 2024.
“We celebrate this step, which positions Paraguay as a country with one of the most robust immunization programs,” said Héctor Castro, director of the Acosta Ñu Pediatric Hospital. “We will work tirelessly to ensure this government decision becomes a success in the fight against this scourge.”
Vaccinating children against dengue “is not only a historic and public health milestone, but also a humanitarian one,” Castro added during remarks delivered at the hospital in San Lorenzo, near the capital, Asunción.
International
President Paz dismisses Vidovic Over 2015 corruption sentence
Justice Minister Freddy Vidovic took office on November 9 after taking the oath of peace for a five-year term. However, his tenure was short-lived: he was removed from the position on Thursday after a past criminal conviction came to light.
In 2015, Vidovic was sentenced to three years in prison for bribery in favor of Peruvian businessman Martín Belaúnde, a former adviser to ex-president Ollanta Humala. Belaúnde was captured in Bolivia ten years ago and handed over to Peruvian authorities, who sought him for alleged involvement in a corruption case that also implicated Humala, who later served time for corruption charges.
At the time, Vidovic was part of Belaúnde’s legal defense team. He was accused of assisting the former presidential adviser in a failed attempt to escape while in Bolivia.
Following the revelation of the conviction, President Paz dismissed Vidovic and appointed Jorge Franz García as the new Justice Minister, according to the decree published on Thursday.
On Wednesday night, Government Minister Marco Antonio Oviedo confirmed the three-year sentence against Vidovic, noting that this background meant he “could not hold public office.”
Before his dismissal was made public, Vidovic acknowledged on his Facebook account that he had been convicted, but claimed he had been a victim of “kidnapping and torture” and argued that the ruling was “invalid and tainted.”
International
International organizations push for expanded kidney transplant access in SICA region
A group of international organizations held a high-level meeting in Antigua Guatemala, Guatemala, to address transplantation as a key component in the comprehensive management of Chronic Kidney Disease (CKD) in the countries of the Central American Integration System (SICA).
The meeting was organized by Spain’s National Transplant Organization (ONT), the Pan American Health Organization (PAHO), and the Executive Secretariat of the Council of Ministers of Health of Central America and the Dominican Republic (SECOMISCA). It was conducted within the framework of the Triangular Cooperation Program of the Spanish Agency for International Development Cooperation (AECID) and endorsed by the Ibero-American Donation and Transplant Network/Council (RCIDT).
The purpose of the gathering was to promote kidney transplantation as a priority option for renal replacement therapy, given its superior cost-effectiveness and health outcomes compared with dialysis.
According to a joint press release, the participating organizations also sought to encourage political commitment to advance equitable access to kidney transplantation and to identify common priorities for regional cooperation.
During the event, institutions presented the current status of Chronic Kidney Disease (CKD) and access to kidney transplantation in SICA countries, as well as the 2019–2030 Regional Donation and Transplant Strategy (CD 57R11). The meeting also facilitated a regional political dialogue aimed at incorporating transplantation into the comprehensive management of CKD, with the goal of generating recommendations to ensure equitable and progressive access to renal replacement therapies.
Additionally, the organizations explored opportunities to improve CKD registry systems, including transplantation data.
The meeting was convened in response to the growing burden of Chronic Kidney Disease across the World Health Organization (WHO) regions.
Paraguay launches dengue vaccination for children in high-risk areas
President Paz dismisses Vidovic Over 2015 corruption sentence
El Salvador reaches 270 homicide-free days in 2025, PNC reports
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