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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.

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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.

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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.

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International

Washington declares State of Emergency as atmospheric river brings severe flooding

Washington Governor Bob Ferguson declared a state of emergency on Wednesday in response to severe flooding affecting several counties, where more than 75,000 people remain under evacuation alerts following heavy rainfall that has caused significant water accumulation.

An atmospheric river has battered the state since Monday, dropping several centimeters of rain and threatening serious flooding in communities near major rivers. More precipitation is expected in the coming days, and the National Weather Service (NWS) has forecast between 15 and 20 centimeters of rain from Wednesday morning through Thursday afternoon in communities along the far western region, worsening the emergency.

Rainfall totals in higher elevations near the Canadian border could exceed 20 centimeters, further increasing the risk.

“Lives will be at stake in the coming days,” Ferguson warned during a press conference.

The governor underscored the severity of the situation and said he will request an expedited federal disaster declaration from President Donald Trump’s administration to access additional resources for the emergency response.

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“I want to urge all Washington residents to pay close attention to alerts from their counties and emergency management departments. If you receive an evacuation order, please follow it,” he added.

Most rivers from the Canadian border down to southwestern Washington are in flood stage. Several are expected to reach record levels, including the Skagit River, which could exceed its 1990 flood peak when water levels rose 1.2 meters.

Around 75,000 people are at risk of flooding in Skagit County, where authorities continue to maintain an evacuation watch.

The Washington National Guard and the U.S. Army Corps of Engineers have been activated to assist with evacuations and response efforts in rural areas affected by flooding.

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U.S. to require five-year social media history from tourists under Visa Waiver Program

Tourists from 42 countries covered by the U.S. Visa Waiver Program would be required to provide their social media history from the past five years in order to enter the United States, according to a new proposal released Wednesday by the administration of President Donald Trump.

The initiative, led by U.S. Customs and Border Protection (CBP), aims to more thoroughly review the activity of travelers entering the country through the Electronic System for Travel Authorization (ESTA). When asked about the plan’s potential impact on tourism, Trump insisted that the United States is “doing very well.”

“We just want people to come here and be safe… We want to make sure we’re not letting the wrong people into our country,” the president said during a press conference at the White House.

The proposal, published in the Federal Register, seeks to expand the information collected from visitors entering the U.S. for up to three months under the visa waiver program.

ESTA applies to travelers from 42 countries, including the United Kingdom, Ireland, New Zealand, Australia, France, Japan, Israel and Qatar.

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In addition to requiring a five-year social media history, the plan would increase the amount of personal data requested, such as phone numbers and email addresses used over the past ten years. It also calls for family details, including names, dates of birth and places of birth of the traveler’s relatives.

The proposal further includes a new mobile tool that would allow any foreign visitor to record their departure from the United States.

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International

Six ecuadorian soldiers jailed pending trial for alleged extrajudicial execution

Six Ecuadorian soldiers were placed in pre-trial detention on Wednesday by a civilian court over an alleged extrajudicial execution, the Attorney General’s Office reported.

As part of his war on drug trafficking, President Daniel Noboa declared an internal armed conflict in 2024 and deployed the Armed Forces to the streets. Human rights organizations have since denounced military abuses and a rise in disappearances attributed to state agents.

A judge in the coastal province of Santa Elena ordered pre-trial detention for six soldiers for alleged extrajudicial execution, the prosecution stated on X. It added that the troops, now under investigation for the suspected crime, were in charge of an operation in the resort town of Salinas, during which one of the detainees died.

In a separate case involving alleged abuse of authority, a group of 17 soldiers is currently on trial for the forced disappearance of four minors whose bodies were found burned near an Ecuadorian Air Force (FAE) base.

In December 2024, Saúl Arboleda, Steven Medina, and brothers Josué and Ismael Arroyo — aged 11 to 15 — were detained by a military patrol in southern Guayaquil.

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According to Amnesty International, Ecuador’s Prosecutor’s Office has received reports of at least 43 possible cases of forced disappearance since 2023, the year Noboa took office pledging a tough stance against organized crime.

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