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
Petro expresses concern over fatal shooting during mass protests in Lima
Colombian President Gustavo Petro voiced his “concern” on Thursday over recent events in Peru, following the death of a protester reportedly shot during a massive demonstration in Lima against the government and Congress.
“I must express my concern over the events in Peru. A young artist has been killed in citizens’ protests,” Petro wrote on X (formerly Twitter).
The Colombian leader also noted that in Peru, “a popularly elected president remains imprisoned without conviction,” referring to Pedro Castillo, who led the country from July 2021 to December 2022 until he was removed by Congress following a failed attempted coup.
“This is a blatant violation of the American Convention on Human Rights,” Petro stated, adding, “I hope Peru seeks social and political dialogue to legitimize its public institutions.”
On Wednesday, Peru experienced widespread protests in several cities, with the largest demonstration in Lima in recent years, driven by citizens’ concerns over corruption and public insecurity.
During the capital’s mobilization, the Ombudsman’s Office confirmed the death of Eduardo Ruiz, 32, and reported clashes that left over 100 injured, including 78 police officers and 24 protesters, as well as ten arrests.
The Attorney General’s Office, investigating Ruiz’s death “in the context of serious human rights violations,” confirmed that the protester was shot.
International
Peru’s interim president José Jerí refuses to resign after protester’s death in Lima
Peru’s interim president, José Jerí, stated Thursday that he has no intention of resigning from the post he assumed last Friday, following the removal of former president Dina Boluarte, despite growing unrest over the death of a protester during massive demonstrations in Lima on Wednesday.
“I will not resign,” Jerí declared outside the Government Palace in Lima, where he returned on foot after making a surprise visit to Congress headquarters alongside Prime Minister Ernesto Álvarez.
Earlier, after leaving the Legislative Palace, the president acknowledged that the country is going through “difficult times” and condemned what he described as “a small group attempting to impose an agenda different from the citizens’ expression of discontent.”
Jerí expressed condolences for the death of Eduardo Ruiz, a 32-year-old man who died during Wednesday’s protest against the government and Congress, amid growing anger over corruption and insecurity.
“We stand in solidarity with his family,” he said, without offering further details about the incident, which has sparked outrage among Peruvians.
The president also described the demonstrations as “a legitimate civic expression” that later turned violent due to “certain groups seeking to provoke chaos by exploiting a peaceful citizen movement.”
“In a state governed by the rule of law, the rights of both demonstrators and security forces must be protected,” Jerí emphasized, adding that “as a result of that situation, this unfortunate death occurred outside the main area where the protest was taking place.”
International
Mexican government prioritizes 191 communities after deadly floods
Mexican President Claudia Sheinbaum confirmed on Wednesday that the death toll from recent rains and floods across several central states has risen to 66, while the federal government has activated air bridges and prioritized assistance in 191 isolated communities.
“Unfortunately, 66 people have died, and 75 remain missing,” the president said during her morning press conference. She added that the official death toll will be updated later in a new report.
As of Tuesday, authorities had reported 64 fatalities. Sheinbaum also announced the creation of a public information center to centralize official data on the deceased, missing persons, damaged homes, and cut-off communities.
According to the president, the number of missing persons has decreased thanks to coordination with state authorities.
“Through calls to phone line 079, 103 people who had been reported missing have now been located,” she explained.
Priority Municipalities
The president noted that the federal government has classified 191 communities as ‘priority’, a designation based mainly on the percentage of homes affected.
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