International
Researchers say fossil shows humans, dogs lived in C. America in 10,000 BC
AFP
The fossil of a jaw bone could prove that domesticated dogs lived in Central America as far back as 12,000 years ago, according to a study by Latin American scientists.
The dogs, and their masters, potentially lived alongside giant animals, researchers say.
A 1978 dig in Nacaome, northeast Costa Rica, found bone remains from the Late Pleistocene.
Excavations began in the 1990s and produced the remains of a giant horse, Equus sp, a glyptodon (a large armadillo), a mastodon (an ancestor of the modern elephant) and a piece of jaw from what was originally thought to be a coyote skull.
“We thought it was very strange to have a coyote in the Pleistocene, that is to say 12,000 years ago,” Costa Rican researcher Guillermo Vargas told AFP.
“When we started looking at the bone fragments, we started to see characteristics that could have been from a dog.
“So we kept looking, we scanned it… and it showed that it was a dog living with humans 12,000 years ago in Costa Rica.”
The presence of dogs is a sign that humans were also living in a place.
“We thought it was strange that a sample was classified as a coyote because they only arrived in Costa Rica in the 20th century.”
– First of its kind –
The coyote is a relative of the domestic dog, although with a different jaw and more pointed teeth.
“The dog eats the leftovers from human food. Its teeth are not so determinant in its survival,” said Vargas.
“It hunts large prey with its human companions. This sample reflects that difference.”
Humans are believed to have emigrated to the Americas across the Bering Strait from Siberia to Alaska during the last great ice age.
“The first domesticated dogs entered the continent about 15,000 years ago, a product of Asians migrating across the Bering Strait,” said Raul Valadez, a biologist and zooarcheologist from the National Autonomous University of Mexico.
“There have never been dogs without people,” Valadez told AFP by telephone.
The presence of humans during the Pleistocene has been attested in Mexico, Chile and Patagonia, but never in Central America, until now.
“This could be the oldest dog in the Americas,” said Vargas.
So far, the oldest attested dog remains were found in Alaska and are 10,150 years old.
Oxford University has offered to perform DNA and carbon dating tests on the sample to discover more genetic information about the animal and its age.
The fossil is currently held at Costa Rica’s national museum but the sample cannot be re-identified as a dog without validation by a specialist magazine.
“This dog discovery would be the first evidence of humans in Costa Rica during a period much earlier” than currently thought, said Vargas.
“It would show us that there were societies that could keep dogs, that had food surpluses, that had dogs out of desire and that these weren’t war dogs that could cause damage.”
International
Trump replaces Homeland Security Secretary Kristi Noem with Senator Markwayne Mullin
U.S. President Donald Trump announced Thursday the departure of Kristi Noem as Secretary of Homeland Security, one of the key architects of the administration’s policy of deporting undocumented immigrants.
Noem, who has been assigned a new role as a “special envoy” to Latin America, will be replaced starting March 31 by Republican Senator Markwayne Mullin, the president said in a message posted on his social media platform Truth Social.
According to media reports, Trump made the decision after Noem’s recent hearings in Congress, during which she faced tough questions regarding the awarding of a major public contract.
International
Young Woman Will Represent Mexico at 2026 World Cup Opener, Says President Sheinbaum
Mexico’s president, Claudia Sheinbaum, announced Thursday that the young Mexican woman who proves to have the best ball control skills will receive her personal ticket to the opening match of the 2026 FIFA World Cup in Mexico City.
The left-wing leader had previously said she would not attend the tournament’s opening game on June 11 in the Mexican capital and instead planned to give away the ticket number 00001, reserved for her by FIFA.
During her morning press conference, Sheinbaum explained that women between 16 and 25 years old can participate by submitting a video through an official platform.
“What do they have to do? Keep the ball in the air for one minute,” she said, referring to the soccer juggling challenge that will determine the winner.
Among the judges selecting the winner will be Mexican striker Charlyn Corral, the world’s top female scorer who set a ball-control record in 2005, and professional referee Katia Itzel García.
Sheinbaum also revealed that she plans to watch the opening match during a large public gathering with giant screens in the Zócalo, located in the historic center near the presidential palace.
“Very few people will be able to attend the opening. So I will watch it here with the people, and a young woman will represent me and the people of Mexico,” the president said.
Sheinbaum has previously commented on the high cost of World Cup tickets, as well as the difficulty of obtaining them in a metropolitan area with more than 20 million inhabitants.
In the 2026 tournament, jointly hosted by United States, Mexico, and Canada, Mexico will stage 13 matches in Mexico City, Guadalajara, and Monterrey.
The opening match will take place at the legendary Estadio Azteca, which previously hosted World Cup opening ceremonies in 1970 and 1986, occasions when the presidents in attendance were famously booed by the crowd.
International
Claudia Sheinbaum: Operation Against ‘El Mencho’ Was Based on Pending Arrest Warrants
Mexico’s President Claudia Sheinbaum on Wednesday rejected claims that the military operation that resulted in the death of Nemesio Oseguera Cervantes, known as “El Mencho,” leader of the Jalisco New Generation Cartel (CJNG), was carried out under pressure from the United States government.
Sheinbaum explained that the deployment of federal forces was aimed at executing outstanding arrest warrants against Oseguera Cervantes, who was considered one of the most wanted criminals in both Mexico and the United States.
“That was not the objective (to ease pressure from the United States). It is very important, and I want to repeat it. This individual had an arrest warrant, or several,” Sheinbaum said, referring to the operation conducted on February 22.
According to the president, the initial goal was to capture Oseguera Cervantes, but military forces responded after coming under attack during the intervention.
“The operation was to detain him. The problem is that they were attacked — the Secretariat of National Defense — and they responded at that moment,” she said.
The president insisted that the action was not carried out in response to external demands, although she acknowledged intelligence cooperation with the United States.
“It was not done in any way because of pressure from the United States, not at all. Of course, there was intelligence information from the United States that was used specifically,” she concluded.
Trump replaces Homeland Security Secretary Kristi Noem with Senator Markwayne Mullin
Young Woman Will Represent Mexico at 2026 World Cup Opener, Says President Sheinbaum
Claudia Sheinbaum: Operation Against ‘El Mencho’ Was Based on Pending Arrest Warrants
Tec de Monterrey honors one of its students for his contribution to nanotechnology in medicine
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