As the nation learned that a White man killed three Black people in a racist attack in Jacksonville, Florida, Saturday, it renewed for many the sense of urgency to confront the racism that still permeates the United States.

Lionel Messi has completed his move to Inter Miami on a deal running to 2025, the Major League Soccer outfit have announced. The 36-year-old Argentina superstar revealed last month he had decided to join the Florida side as his contract with Paris St Germain came to an end. With the deal now officially done, Messi is in line to make his debut for his new employers on Friday against Mexico’s Cruz Azul in the Leagues Cup. The World Cup winner said in a statement from the club: “I’m very excited to start this next step in my career with Inter Miami and in the United States. “This is a fantastic opportunity and together we will continue to build this beautiful project. The idea is to work together to achieve the objectives we set, and I’m very eager to start helping here in my new home.” Inter Miami are co-owned by former England captain David Beckham, who said: “Ten years ago, when I started my journey to build a new team in Miami, I said that I dreamt of bringing the greatest players in the world to this amazing city. “Players who shared the ambition I had when I joined LA Galaxy to help grow football in the USA and to build a legacy for the next generation in this sport that we love so much. “Today that dream came true. I couldn’t be prouder that a player of Leo’s calibre is joining our club, but I am also delighted to welcome a good friend, an amazing person and his beautiful family to join our Inter Miami community. This is a fantastic opportunity and together we will continue to build this beautiful project. Lionel Messi “The next phase of our adventure starts here, and I can’t wait to see Leo take to the pitch.” MLS commissioner Don Garber said: “We are overjoyed that the greatest player in the world chose Inter Miami CF and Major League Soccer, and his decision is a testament to the momentum and energy behind our League and our sport in North America. “We have no doubt that Lionel will show the world that MLS can be a league of choice for the best players in the game. We look forward to seeing his debut for Inter Miami in our Leagues Cup tournament later this month.” Seven-time Ballon d’Or winner Messi arrives after a season in which he helped his country to World Cup glory in Qatar, as well as PSG to the Ligue 1 title, as in his first campaign with them in 2021-22. That adds to an already huge trophy haul on his CV that features four Champions League successes from his years with Barcelona, for whom he scored a staggering total of 672 goals. Joining Miami sees Messi – who has also netted more than 100 international goals – reunite with boss Gerardo Martino, who he previously worked under with Barca and Argentina. Martino was appointed in June after the club sacked Beckham’s ex-Manchester United team-mate Phil Neville. Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Neal Skupski rewards brother Ken’s travelling exploits with Wimbledon win History-making Marketa Vondrousova thought Wimbledon win would be ‘impossible’ Mike Dean to leave referee’s body PGMOL this summer

The reality of what lies within our oceans has fascinated people since time immemorial, so it’s no wonder we’ve created countless myths about the watery depths. But step aside, Atlantis, scientists have discovered a real Lost City beneath the waves, and this one is teaming with life. The rocky, towering landscape is located west of the Mid-Atlantic Ridge mountain range, hundreds of metres below the surface of the Atlantic Ocean, and consists of massive walls, columns and monoliths stretching more than 60 metres (200ft) tall. To be clear, it’s not the home of some long-forgotten human civilisation, but that doesn’t make its existence any less significant. The hydrothermal field, dubbed the “Lost City” upon its discovery in the year 2000, is the longest-lived venting environment known in the ocean, Science Alert reports. Nothing else like it has ever been found on Earth, and experts think it could offer an insight into ecosystems that could exist elsewhere in the universe. For more than 120,000 years, snails, crustaceans and microbial communities have fed off the field’s vents, which spout out hydrogen, methane and other dissolved gases into the surrounding water. Despite the absence of oxygen down there, larger animals also survive in this extreme environment, including crabs, shrimps and eels. Although, they are, admittedly, rare. The hydrocarbons produced by its vents were not created by sunlight or carbon dioxide, but by chemical reactions way down on the seafloor. This is how life on our planet may have originated some 3.7 billion years, and how it could be formed on others. "This is an example of a type of ecosystem that could be active on Enceladus or Europa right this second," microbiologist William Brazelton told The Smithsonian back in 2018, referring to the moons of Saturn and Jupiter respectively. "And maybe Mars in the past." The tallest of the Lost City’s monoliths has been named Poseidon, after the Greek god of the sea, and it measures more than 60 metres high. Meanwhile, just northeast of the tower, is a cliffside where the vents “weep” with fluid, producing "clusters of delicate, multi-pronged carbonate growths that extend outward like the fingers of upturned hands", according to researchers at the University of Washington. There are now calls for the Lost City to be listed as a World Heritage site to protect the natural phenomenon, particularly given humans’ propensity to destroy precious ecosystems. Back in 2018, it was confirmed that Poland had won the rights to mine the deep sea around the thermal field. And whilst, in theory, the Lost City would not be touched by such works, as Science Alert notes, the destruction of its surroundings could have unintended consequences. Sign up for our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings

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