hello, and thank you so much for being here. it is 10:00 eastern. i m ana cabrera reporting from new york, and this morning underwater sounds detected in the desperate search for the missing titan submersible. with more assets rushing to the search zone with time running out, the five on board believed to only have one day of oxygen left. the latest on that urgent race against the clock. plus, powell in the hot seat, the fed chair appearing before a house committee this hour. what s his next move with fears of a recession still looming? and later, new reaction from the attorney general to that plea deal for the president s son hunter biden. i would leave this matter in the hands of the united states attorney who want appointed by the previous president. this hour how that deal could impact the 2024 landscape with the gop front runner under indictment himself. let s begin with the underwater noises in that urgent search for the missing titan submersible and the five pe
your heart and a focus of your research. this is a really comprehensive study from researchers at boston university. what were your biggest takeaways from the findings? yeah, it is a very incredible study led by dan demshar from deceased football players. what we learned by estimating their exposure based on their position is that their cte risk is very much correlated to how many times they re hit in the head and how hard the hits were. which ultimately is not really a surprise to us, but this is a very strong study, so i hope it will spark prevention efforts. let s bring back the graphic i referenced of the intensity of a football hit for a high schooler, compared to other forms of impact. g-force, of course, is a measure of linear acceleration, experienced during a head hit. so, again, it is in between a fighter pilot doing a roll and car crash at 30 miles per hour. how does this highlight how much damage players are doing to their brains? yeah.