Publisher’s Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Normally I love youtube, but I'm noticing an issue today 7/11/25. An ad will start to play. I get sound but the screen goes black. the ad stops but the video doesn't resume. https://telegra.ph/underwater-sea-scooter-Üzerinde-Buzz-söylenti-08-05