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
Sheinbaum highlights anti-drug gains after U.S. says challenges remain
Mexican President Claudia Sheinbaum on Friday highlighted her government’s achievements in the fight against drug trafficking, after the United States said challenges remain in combating organized crime.
On Thursday, Mexican Foreign Minister Juan Ramón de la Fuente held talks with his U.S. counterpart, Secretary of State Marco Rubio. Following the meeting, the U.S. State Department said in a statement that “despite progress, challenges still exist” in addressing organized crime.
“There are very strong results from joint cooperation and from the work Mexico is doing: first, a 50% reduction in fentanyl seizures at the U.S. border,” Sheinbaum said during her regular morning press conference.
The president also said that authorities have seized nearly 320 tons of drugs and that there has been a “40% decrease in intentional homicides in Mexico” since the start of her administration on October 1, 2024.
Sheinbaum added that the United States should implement campaigns to reduce drug consumption within its territory and curb the flow of weapons into Mexico.
“There are many results and there will be more, but there must be mutual respect and shared responsibility, as well as respect for our sovereignties,” she said.
On Monday, Sheinbaum held a phone call with U.S. President Donald Trump to discuss security issues. She said she once again ruled out the presence of U.S. troops in Mexico to fight drug cartels.
Security has been a recurring issue used by Trump to threaten tariffs on Mexico and to pressure negotiations over the USMCA (T-MEC) free trade agreement, which are scheduled for 2026.
The agreement is crucial for Mexico’s economy, as about 80% of the country’s exports are destined for the United States.
International
Canada accuses Iran of killing its citizen during anti-government unrest
A Canadian citizen has died “at the hands of Iranian authorities,” the Canadian government said on Thursday, amid ongoing protests against the government in Tehran.
“I have just learned that a Canadian citizen has died in Iran at the hands of Iranian authorities,” Canada’s Minister of Foreign Affairs, Anita Anand, said, without providing further details. She added that Tehran’s response to what she described as “peaceful protests” has “led the regime to show a blatant disregard for human life.”
On Thursday, the United States imposed sanctions on Iranian security officials and individuals linked to the country’s banking networks, accusing them of orchestrating a violent crackdown on peaceful demonstrations and laundering billions of dollars in oil revenues. U.S. Treasury Secretary Scott Bessent announced the measures following what were described as the largest anti-government protests in the history of the Islamic Republic, although demonstrations have reportedly eased in recent days amid heavy repression and a near week-long internet shutdown.
“The United States stands firmly with the Iranian people in their pursuit of freedom and justice,” Bessent said in a statement, adding that the sanctions were imposed at the direction of President Donald Trump.
Those sanctioned include Ali Larijani, secretary of Iran’s Supreme National Security Council, whom Washington accused of coordinating the repression and the use of force against protesters.
International
Ukraine declares nationwide energy emergency amid russian attacks and extreme cold
The Ukrainian government on Wednesday declared a nationwide energy state of emergency amid continued Russian military attacks and extreme winter weather, with nighttime temperatures dropping as low as minus 18 degrees Celsius.
“The consequences of Russian attacks and worsening weather conditions are severe (…) Overall, a state of emergency will be declared for Ukraine’s energy sector,” Ukrainian President Volodymyr Zelensky said in a statement posted on social media following a meeting with senior officials.
Zelensky announced the creation of a “permanent coordination headquarters” to manage the crisis in the capital, Kyiv, and tasked former defence minister and current energy chief Denys Shmyhal with overseeing support efforts for affected individuals and communities, including addressing power outages, heating shortages and other “practical issues.”
“There are many problems that require urgent solutions,” the president said, noting that repair crews, energy companies, municipal services and the State Emergency Service are working “around the clock” to restore electricity supplies. Kyiv has been particularly affected after Russian strikes last Friday disabled key parts of the power grid, as daytime temperatures hover around minus 12 degrees Celsius and plunge to minus 18 at night.
Zelensky added that public authorities will “maximize efforts with partners to obtain the necessary equipment and additional support,” while the government will ensure “maximum deregulation of all processes” to speed up the connection of backup power equipment to the grid. He also confirmed that work is underway to significantly increase electricity imports into Ukraine.
The Ukrainian leader further instructed his Cabinet to review curfew regulations in light of the extreme cold, arguing that citizens must have the greatest possible access to assistance centers, while businesses should be given flexibility to plan their operations according to the state of the energy system.
Sheinbaum highlights anti-drug gains after U.S. says challenges remain
Canada accuses Iran of killing its citizen during anti-government unrest
Ukraine declares nationwide energy emergency amid russian attacks and extreme cold
Tec de Monterrey honors one of its students for his contribution to nanotechnology in medicine
Defense Minister commends salvadoran soldier for Central American Cross Country victory
Extension of the state of emergency approved in southern Chile
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