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.

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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.

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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.

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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.

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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”.

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Chadian paleontologist Clarisse Nekoulnang said the team was “trying to find sites older than that of Toumai”.

International

Federal Judge Blocks Trump Policy Allowing Deportations to Third Countries

A federal judge ruled on Wednesday that the policy of U.S. President Donald Trump’s administration allowing immigration authorities to deport foreign nationals to third countries without prior notice or the opportunity to object is unlawful. The decision marks another legal setback for the administration on immigration matters.

Judge Brian Murphy of the U.S. District Court for the District of Massachusetts struck down the regulation issued last year, which stated that Immigration and Customs Enforcement (ICE) was not required to notify migrants if they were to be sent to countries other than the one listed in their removal order, provided that receiving nations offered assurances they would not face persecution or torture.

Murphy ordered the measure vacated but granted a 15-day delay before the ruling takes effect, giving the Trump administration time to file an appeal.

In his decision, the judge concluded that the policy violates federal immigration law and migrants’ due process rights. He also questioned the lack of transparency surrounding the alleged assurances provided by receiving countries, stating that “no one really knows anything about these supposed ‘assurances.’” He added, “It is not right, and it is not lawful.”

The ruling follows several legal disputes involving deportations to third countries. Last year, the executive branch deported more than 200 Salvadorans to a maximum-security prison in El Salvador, invoking an old wartime law. The White House also held talks with Costa Rica, Panama, and Rwanda about receiving migrants who are not citizens of those countries.

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In May, the same judge determined that the government violated a court order when it attempted to remove a group of immigrants with criminal records to South Sudan without prior notice or an opportunity to raise claims of fear of persecution.

Although President Donald Trump took the case to the U.S. Supreme Court, which temporarily allowed the deportations to resume while a final decision was pending, the White House is expected to again appeal to higher courts to overturn this latest judicial ruling.

International

Cocaine Production Surges 34% in 2023 as Market Expands into Africa and Asia

The global cocaine market is the fastest-growing among all illicit drugs worldwide, the International Narcotics Control Board (INCB) warned on Thursday in its annual report presented in Vienna.

The body attributes this expansion to the sustained rise in production in South America — particularly in Colombia — as well as increasing demand in emerging regions such as Africa and Asia.

According to the report, global cocaine production surpassed 3,700 metric tons in 2023, marking a 34% increase compared to 2022. This growth is largely driven by the expansion of illicit coca cultivation in Colombia and the greater production capacity of clandestine laboratories.

The INCB noted that the market has not only grown in volume but has also diversified and become more globalized. While Europe and North America remain the primary destinations, trafficking routes now reach “all regions of the world,” including Africa — traditionally considered a transit zone — and Asia, where the presence of cocaine was previously marginal.

In Western and Central Europe, for the fifth consecutive year, seizures in 2023 exceeded those in North America, consolidating the region as the leading destination market. Between January 2019 and June 2024, more than 1,826 metric tons of drugs bound for European ports were seized, of which 82% was cocaine, equivalent to 1,487 metric tons.

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The report also highlights that seizures in Africa rose by 48% in 2023 compared to 2022, reflecting the expansion of the market on the continent. Globally, the number of cocaine users increased from 17 million in 2013 to 25 million in 2023.

International

Clinton Accuses Republican Committee of Using Epstein Case to Shield Trump

Former U.S. Secretary of State and former First Lady Hillary Clinton denied on Thursday before a congressional committee that she had ever met convicted sex offender Jeffrey Epstein in person or had any knowledge of the crimes he committed.

Clinton testified behind closed doors from New York before the House Oversight Committee. The wife of former President Bill Clinton — who is scheduled to testify on Friday — accused the Republican-controlled committee of summoning her in order to “distract attention” and “cover up” the activities of President Donald Trump, who had past ties to Epstein.

“I do not recall ever meeting Mr. Epstein. I never flew on his plane nor visited his island, his homes, or his offices. I have nothing further to add,” she stated.

The former Secretary of State emphasized that she “had no idea about the criminal activities” of the financier, who died in prison in 2019. “Like any decent person, I was horrified when I learned of his crimes,” she said.

Clinton described the Epstein case as “a tragedy” and “a scandal” that deserves “a thorough investigation,” but criticized the committee for failing to summon what she called the truly relevant individuals.

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“Instead, you have asked me to testify, knowing that I have no knowledge that would serve your investigation, with the purpose of distracting from President Trump’s activities and shielding him despite the legitimate demand for answers,” she said.

The questioning, conducted behind closed doors in Chappaqua, New York — where the Clintons reside — took place one day before former President Bill Clinton was scheduled to appear at the same location.

Although the Clintons initially declined to testify before Congress, the threat of being held in contempt ultimately led the former presidential couple to agree to appear and explain their relationship with Epstein.