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.
Central America
U.S. and Regional Allies Back Panama Amid Dispute With China
The United States, Bolivia, Costa Rica, Guyana, Paraguay and Trinidad and Tobago issued a joint statement in support of Panama’s sovereignty, arguing that China’s recent actions represent an attempt to politicize maritime trade and undermine the sovereignty of nations in the hemisphere.
“We are closely monitoring China’s selective economic pressure and recent actions affecting vessels flying the Panamanian flag,” the statement released Tuesday said. “Panama is a pillar of our maritime trading system and, as such, must remain free from undue external pressure.”
The statement comes amid growing tensions surrounding the Panama Canal and the operation of key ports linked to global trade.
At the end of January, Panama’s Supreme Court invalidated the legal framework supporting the 1997 concession that granted Panama Ports Company, a subsidiary of CK Hutchison, the right to operate the Balboa and Cristóbal terminals located on the Pacific and Atlantic entrances of the Panama Canal.
The ruling followed mounting pressure from the United States to curb Chinese influence around the strategic waterway, through which roughly 5% of global maritime trade passes.
CK Hutchison, which managed the ports for nearly three decades, rejected the court’s decision and accused Panamanian authorities of illegally confiscating its assets. The company has launched international arbitration proceedings against Panama, seeking more than $2 billion in damages.
Following the court ruling, reports emerged of increased detentions and inspections of Panamanian-flagged vessels in China, actions widely viewed as retaliatory measures.
On Wednesday, China’s Foreign Ministry dismissed the joint statement as “completely unfounded and misleading,” accusing the United States of politicizing port operations and warning that Beijing would take steps to protect its interests in Panama.
International
King Charles III Says U.S.-UK Alliance Is “Irreplaceable and Unbreakable”
King Charles III of the United Kingdom reaffirmed the strength of the British-American relationship on Tuesday during a speech before the United States Congress, describing the alliance between the two nations as “irreplaceable and unbreakable.”
The address, delivered at the Capitol, marked the first speech by a British monarch before Congress since Queen Elizabeth II in 1991 and comes at a time of political tensions between Donald Trump’s administration and the Labour government of Prime Minister Keir Starmer.
“As President Trump himself observed during his state visit to Britain last autumn, the bond of kinship and identity between the United States and the United Kingdom is invaluable and eternal. It is irreplaceable and unbreakable,” the king said.
While reflecting on the upcoming 250th anniversary of U.S. independence, which will be commemorated this year, Charles III stated that the partnership between the two countries “was born out of disagreement, but is no less strong because of it.”
The monarch emphasized the democratic values shared by both nations and noted that major global changes have occurred whenever the two allies found common ground.
“When we have found that way to agree, great changes have taken place not only for the benefit of our peoples, but for all peoples,” he said.
King Charles also quoted British Prime Minister Keir Starmer, who recently described the relationship as “an indispensable alliance.”
Concluding his speech, the monarch described the shared history of the United States and the United Kingdom as “a story of reconciliation, renewal, and an extraordinary partnership.”
He added that Washington and London have forged “one of the most consequential alliances in human history.”
“I pray with all my heart that our alliance continues to defend our shared values, together with our partners in Europe, the Commonwealth, and around the world, and that we ignore calls urging us to become increasingly isolationist,” Charles III stated.
The king ended by urging both nations to “recommit to one another in selfless service to our peoples and to all peoples of the world.”
International
Trump Administration Considers Denying Green Cards Over Political Views
The administration of President Donald Trump is evaluating new immigration guidelines that could deny permanent residency to immigrants based on their political views, according to a report published by The New York Times.
The proposed measures, outlined in internal Department of Homeland Security documents, would instruct immigration officials to take applicants’ public expressions and ideological positions into account when reviewing green card applications.
According to the report, cases involving “possible anti-American and/or antisemitic conduct or ideologies” would need to be referred to higher authorities for additional review.
Even if applicants have not violated any laws, authorities could still reject residency requests if they determine that individuals have “endorsed, promoted, or supported anti-American views.”
Among the factors listed in the guidelines are participation in pro-Palestinian activities, actions considered antisemitic, and the burning of the U.S. flag.
The documents reportedly describe such actions as “heavily negative” factors in immigration evaluations, potentially blocking applicants from obtaining permanent residency and, eventually, U.S. citizenship.
The directives also place particular attention on demonstrations held on university campuses following the 2023 Hamas attacks against Israel.
However, flag burning has previously been recognized by the U.S. Supreme Court as a form of protected free speech under the Constitution.
The proposal has sparked criticism from immigrant advocacy organizations, including the New York Immigration Coalition.
Its president, Murad Awawdeh, warned that the policies could pose a threat to fundamental rights and freedoms.
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