International
Oldest human relative walked upright 7 mn years ago: study
AFP
The earliest known human ancestor walked on two feet as well as climbing through trees around seven million years ago, scientists said Wednesday after studying three limb bones.
When the skull of Sahelanthropus tchadensis was discovered in Chad in 2001, it pushed back the age of the oldest known representative species of humanity by a million years.
Nicknamed “Toumai”, the nearly complete cranium was thought to indicate that the species walked on two feet because of the position of its vertebral column and other factors.
However the subject triggered fierce debate among scientists, partly due to the scarcity and quality of the available bones, with some even claiming that Toumai was not a human relative but just an ancient ape.
In a study published in the Nature journal on Wednesday, a team of researchers exhaustively analysed a thigh bone and two forearm bones found at the same site as the Toumai skull.
“The skull tells us that Sahelanthropus is part of the human lineage,” said paleoanthropologist Franck Guy, one of the authors of the study.
The new research on the limb bones demonstrates that walking on two feet was its “preferred mode of getting around, depending on the situation,” he told a press conference.
But they also sometimes moved through the trees, he added.
– ‘Not a magical trait’ –
The leg and arm bones were found alongside thousands of other fossils in 2001, and the researchers were not able to confirm that they belonged to the same individual as the Toumai skull.
After years of testing and measuring the bones, they identified 23 characteristics which were then compared to fossils from great apes as well as hominins — which are species more closely related to humans than chimpanzees.
They concluded that “these characteristics are much closer to what would be seen in a hominin than any other primate,” the study’s lead author Guillaume Daver told the press conference.
For example, the forearm bones did not show evidence that the Sahelanthropus leaned on the back of its hands, as is done by gorillas and chimpanzees.
The Sahelanthropus lived in an area with a combination of forests, palm groves and tropical savannahs, meaning that being able to both walk and climb through trees would have been an advantage.
There have been previous suggestions that it was the ability to walk on two feet that drove humans to evolve separately from chimpanzees, putting us on the path to where we are today.
However the researchers emphasised that what made Sahelanthropus human was its ability to adapt to its environment.
“Bipedalism (walking on two legs) is not a magical trait that strictly defines humanity,” paleontologist Jean-Renaud Boisserie told the press conference.
“It is a characteristic that we find at the present time in all the representatives of humanity.”
– Our ‘bushy’ family tree –
Paleoanthropologist Antoine Balzeau of France’s National Museum of Natural History said the “extremely substantial” study gives “a more complete image of Toumai and therefore of the first humans”.
It also bolstered the theory that the human family tree is “bushy”, and was not like the “simplistic image of humans who follow one another, with abilities that improve over time,” Balzeau, who was not involved in the research, told AFP.
Daniel Lieberman, a professor of human evolutionary biology at Harvard University, said in a linked paper in Nature that the study’s “authors have squeezed as much information as possible from the fossil data”.
But he added that the research will not offer “full resolution” of the debate.
Milford Wolpoff, a paleoanthropologist at the US University of Michigan cast doubt on whether Toumai is a hominin, telling AFP that “extraordinary claims require extraordinary evidence”.
Wednesday’s study was carried out by researchers from the PALEVOPRIM paleontology institute, a collaboration between France’s CNRS research centre and Poitiers University, as well as scientists in Chad.
Guy said the team hopes to continue its research in Chad next year — “security permitting”.
Chadian paleontologist Clarisse Nekoulnang said the team was “trying to find sites older than that of Toumai”.
International
Top U.S. Military Commander Meets Interim Venezuelan Leaders After Maduro’s Capture
The commander of the United States Southern Command, Marine Francis L. Donovan, visited Venezuela on Wednesday, holding meetings with interim leaders following the recent capture of former President Nicolás Maduro by U.S. forces. The visit, confirmed by both U.S. and Venezuelan officials, marked a significant diplomatic and security engagement in Caracas.
Donovan, accompanied by senior U.S. officials including acting Assistant Secretary of Defense Joseph M. Humire and top diplomat Laura Dogu, met with acting President Delcy Rodríguez and key members of her cabinet, including Defense Minister Vladimir Padrino López and Interior Minister Diosdado Cabello.
According to official statements, discussions focused on strengthening bilateral cooperation on regional security issues, including efforts to combat illicit drug trafficking, terrorism, and migration. Both sides reiterated a commitment to pursuing diplomatic engagement and shared security goals for Venezuela and the Western Hemisphere.
The meetings also discussed progress on a three-phase plan supported by the United States to help stabilize Venezuela, following Maduro’s removal from power and subsequent detention in the U.S. on drug-related charges. This agenda reflects expanding U.S. engagement with Venezuela’s interim government amid broader efforts to restore diplomatic relations and address regional challenges.
The visit concluded on Wednesday, underscoring a growing U.S. focus on cooperation with Venezuelan authorities in the aftermath of major political developments earlier this year.
International
Bayly Says Trump ‘Gets Along Better With Dictators’ and Criticizes U.S.–Venezuela Policy
Peruvian author and journalist Jaime Bayly said Tuesday in Madrid that U.S. President Donald Trump “gets along better with dictators than he does with democrats” and that his administration is experiencing “a honeymoon with the Venezuelan dictatorship,” according to a report on his remarks during the launch of his new novel Los golpistas (Galaxia Gutenberg).
Bayly made the comments while presenting the book, which reconstructs the turbulent three days in April 2002 when Venezuelan leader Hugo Chávez briefly lost power. He also sharply criticized the current Venezuelan leadership, saying that Delcy Rodríguez should be recognized as a dictator and “a continuation of Maduro’s dictatorship.”
The writer lamented that the failed 2002 coup — which he described as carried out by “amateurs” — did not lead to free elections that might have restored democracy to Venezuela. He argued that, even now, U.S. policy under Trump seems more focused on securing access to Venezuelan oil than on supporting Venezuelans’ freedom. “Venezuela could have chosen a free, clean and legitimate government — which we still impatiently await despite Trump, who only seems interested in freeing Venezuelan oil, not Venezuelans,” Bayly said.
Bayly also claimed that “every day that passes, Trump seems more enchanted with Delcy,” suggesting that Washington might leave Venezuelan leaders in power so long as they cooperate on economic interests.
A U.S. citizen who has lived in Miami for decades, Bayly said he is proud never to have voted for Trump, whom he described as “servile with the powerful and cruel with the weak.” He also criticized U.S. immigration enforcement as abusive.
Regarding the book’s creative process, Bayly said he combined extensive documentation and interviews with historical events, weaving fictional dialogue and narrative into real episodes without altering core facts. Los golpistas explores why the April 2002 coup attempt against Chávez failed and how key figures such as Chávez and Cuban leader Fidel Castroshaped modern Venezuelan history.
International
Maduro and Cilia Flores Receive Consular Visit in U.S. Jail Ahead of March 26 Hearing
Venezuelan President Nicolás Maduro, who is detained in the United States, and his wife, Cilia Flores, received a consular visit from a Venezuelan government official on January 30 while they remain in a New York jail awaiting their next court appearance, scheduled for March 26, 2026, according to a court filing.
The notification, submitted to the judge by prosecutors and the defense and now part of the digital case file, states that Maduro and Flores were visited by “an official representing the Republic of Venezuela to help facilitate any services the accused needed.”
The document also notes that U.S. District Judge Alvin Hellerstein ordered the U.S. prosecutor’s office at the couple’s first court appearance on January 5 to ensure they had access to consular services and to inform the court when such access was provided.
Their next hearing was postponed by the court from an original date of March 17 to March 26 at 11:00 a.m., after prosecutors, with the consent of the defense, requested extra time to gather evidence, allow the defense to review it, and determine which pretrial motions they will file, the filing says.
Maduro has denied wrongdoing, calling himself “innocent” of the narcotics charges authorities have brought in federal court.
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