内容摘要：Wysa's managing director, John Tench, says Wysa does not collect any personally identifiable information, and users are not required to register or share personal data to use Wysa.

Wysa's managing director, John Tench, says Wysa does not collect any personally identifiable information, and users are not required to register or share personal data to use Wysa.

They added the Race Across the World experience "opened Sam's eyes to the wonder of adventure".Sam's uncle Jonny Gray told the BBC: "What you saw was what you got. Sam loved gardening, animals and doing physical activity."

Mr Gray said his sister Jo and Sam had a "special relationship" and were an "enormous hit on the show", adding: "The public really loved them."Emon Choudhury, who won the second series with his nephew Jamiul,that Sam was "pure sunshine in human form" whose "kindness was a beacon for anyone lucky enough to cross his path".

He added that Sam and his mother "showed us what it truly means to live fully, love fiercely, and embrace every moment with an open heart".In a statement, a Race Across the World spokeswoman said: "Everyone who worked with him and indeed everyone who watched Sam could see just how precious and transformative the trip was for both him and his mum, Jo.

"Sam embraced the seven-week trip with an energy, love and a determination that saw the pair enjoy adventures across Mexico to Argentina making audiences fall in love with them and their special bond as a result.

"Since filming, both Sam and Jo have been an integral part of the Race Across the World cast family and on behalf of us all from the BBC, production and the rest of the cast, we would like to extend our deepest condolences to his parents, Andrew and Jo; his brothers, William and Charlie; his step mum Justine; his family and friends."Sea temperatures in April and the first half of May were the highest recorded during those months since monitoring began 45 years ago.

Climate change is causing oceans to warm around the globe and is making marine heatwaves like this one more likely."It's super intense at the moment. The marine heatwave has really soared this week," says Dr Ségolène Berthou at the Met Office.

The entire west coast of the UK is now about 2.5C above average. A large portion of Scottish waters are 2-3C warmer than usual for the time of year.In one location, just off Tyne and Tees, temperatures are 5C higher than average, according to the Centre for Environment, Fisheries and Aquaculture Science.