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The Telegraph report, citing Dr Rachel Ann Hauser-Davis, a British scientist and member of the research team said the results showed “chronic exposure due to human use of cocaine in Rio de Janeiro and the discharge of human urine and faeces by sewage outfalls, as well as from illegal labs."She also told The Telegraph that there usually aren't many bales of coke dumped or lost at sea in Rio de Janeiro, unlike in Mexico and Florida.Dr Rachel said the cocaine was probably harmful to the health of the animals, however, it is not known if it affected their behaviour, rendering them more aggressive and unpredictable or making feeding frenzies more likely.“This may be the case, as cocaine targets the brain, and hyperactive and erratic behaviour has been noted in other animals. It’s a possibility and further studies are required," said Dr Enrico Mendes Saggioro, an ecotoxicologist from the Oswaldo Cruz Institute.One of the ways cocaine may damage the health of sharks, according to the experts, is by affecting their eyesight, affecting their capacity to hunt.“You might start to see lower fecundity and growth rates," Dr Tracy Fanara, an expert in ecotoxicology and environmental engineering from the University of Florida, told The Telegraph.

Paris Olympics boldly declared that France’s capital would be “the safest place in the world” when the Games open this Friday. Tony Estanguet’s confident forecast looks less far-fetched now with squadrons of police patrolling Paris’ streets, fighter jets and soldiers primed to scramble, and imposing metal-fence security barriers erected like an iron curtain on both sides of the River Seine that will star in the opening show. France’s vast police and military operation is in large part because the July 26-Aug. 11 Games face unprecedented security challenges. The city has repeatedly suffered deadly extremist attacks and international tensions are high because of the wars in Ukraine and Gaza.

Paris Olympics boldly declared that France's capital would be " the safest place in the world " when the Games open this Friday. Tony Estanguet's confident forecast looks less far-fetched now with squadrons of police patrolling Paris' streets, fighter jets and soldiers primed to scramble, and imposing metal-fence security barriers erected like an iron curtain on both sides of the River Seine that will star in the opening show. France's vast police and military operation is in large part because the July 26-Aug. 11 Games face unprecedented security challenges. The city has repeatedly suffered deadly extremist attacks and international tensions are high because of the wars in Ukraine and Gaza. Rather than build an Olympic park with venues grouped together outside of the city center, like Rio de Janeiro in 2016 or London in 2012, Paris has chosen to host many of the events in the heart of the bustling capital of 2 million inhabitants, with others dotted around suburbs that house millions more. Putting temporary sports arenas in public spaces and the unprecedented choice to stage a river-borne opening ceremony stretching for kilometers (miles) along the Seine, makes safeguarding them more complex.

Rio de Janeiro next week, following two years of geopolitical disputes that overshadowed their work and raised questions about the very purpose of the G-20. Geopolitical clashes, particularly the conflicts in Ukraine and Gaza, will be addressed in a separate chair statement published by the host nation together with the communique, according to ambassador Mauricio Carvalho Lyrio, the secretary for economic and financial affairs at Brazil's foreign ministry. «We need to resume the production of documents by the G-20,» he told reporters in Brasilia on Friday. «We will no longer demand the inclusion of language about geopolitics in ministerial documents.» Deep disagreements over the wars prevented G-20 finance chiefs from issuing a communique in February, when they met in Sao Paulo under Brazil's rotating presidency of the group. The same happened in India last year and in Indonesia in 2022. President Luiz Inacio Lula da Silva's presidency of the G-20 is facing steep challenges in a tumultuous international climate dominated by contentious elections and the wars. Still, Brazilian authorities say discussions around his main proposals are making progress. The leftist leader has been pushing for the creation of a global minimum tax on billionaires to fund actions against climate change and programmes to eliminate world hunger.

Brazil’s national data protection authority determined on Tuesday that Meta cannot use data originating in the country to train its artificial intelligence

A global tax on the super-rich is proposed in a new report that Brazil commissioned for its current presidency of the leading 20 rich and developing nations

Rio de Janeiro is famous for its beaches and vibrant parties in the Southern Hemisphere’s summer

Magda Chambriard has been sworn in as the head of Brazil’s state-run oil giant Petrobras as market concerns of increased government intervention in the company mount

Flooding in Brazil’s Rio Grande do Sul state ravaged nearly everything needed for economic activity, from local shops to factories, farms and ranches

Lounge. Ponnappa shot into fame as a rookie shuttler when she won the women’s doubles at the Commonwealth Games in Delhi in 2010. Since then, she has made advancements in her career including making it to the London (2012) and Rio Olympics (2016) and picking up several medals along the way.

The head of Brazil’s Petrobras is stepping down after a fight over dividends, sending shares of the state-controlled oil and gas giant tumbling

THE LEGENDARY New York art dealer Brent Sikkema was tangled up in an ugly divorce when he got on a plane to Rio de Janeiro before Christmas last year, looking for a fresh start. With its beaches and bossa nova, Rio offered an escape, a rollicking hot spot where the 75-year-old hoped to unwind and have some fun. Brent had long held sway over a cerebral corner of the New York art scene, promoting women and diverse artists in the early 1990s when few galleries or museums exhibited either.

Brazil's Copacabana beach for a free Madonna concert on Saturday, braving the heat to see the end of her «Celebration» world tour. The sand and oceanfront boulevard around Rio de Janeiro's famed beach were filled for several blocks by a crowd the city estimated at 1.6 million. Many had been there for hours or even days to get a good spot, while richer fans anchored in dozens of boats near the beach and onlookers crowded beachfront apartments.

Madonna has put on a free concert in Rio de Janeiro, turning the vast stretch of sand of Copacabana beach into an enormous dance floor teeming with a multitude of her fans

Copacabana Palace hotel, where Madonna is staying, hoping to catch a glimpse of the pop star. During the sound check on the stage that's in front of her hotel, they danced on the sand. “Since Madonna arrived here, I've been coming every day with this outfit to welcome my idol, my diva, my pop queen," said Rosemary de Oliveira Bohrer, 69, who was supporting a gold-colored cone bra and a black cap.

Madonna will bring her critically acclaimed Celebration World Tour to an end in Brazil with a free concert on Saturday, May 4, at the Copacabana Beach in Rio de Janeiro. On the official website of the Queen of Pop, 'madonna.com', it has been claimed that the show will be free of charge to thank her fans for celebrating more than four decades of her music throughout the epic global run of the tour. No Tickets required

It took almost a half century for Brazilian singer Cátia de França to find her audience, but she finally has — with the help of a near-obsolete audio technology

Wrestling Federation of India's Athletes' Commission here on Wednesday, completing a process that was mandated by the sport's world governing body. A total of eight candidates were in fray for the seven positions and after polling, conducted on ballot paper, seven members got elected. They then chose Narsingh as chairman of the commission. Ahead of the 2016 Olympics, the Games-bound Narsingh had grabbed headlines when two-time Olympic medallist Sushil Kumar, who missed the qualification event due to an injury, requested for a trial bout against him. Sushil moved the Delhi High Court and only after his appeal was rejected, it was confirmed that Narsingh would go to Rio Olympics.

Conservative Brazilians heaped praise on Elon Musk at a rally in the capital of Rio de Janeiro supporting far-right former President Jair Bolsonaro

A U.S. congressional committee has released confidential Brazilian court orders to suspend accounts on the social media platform X

A Brazilian woman has been arrested after she wheeled a corpse into a bank, presumably hoping it would help her secure a loan.