it s happening. get started wih fast spees and advanced security for $49.99a month for 12 monts plus ask how to get up to a $750 prepaid card with qualifying internet. tonight the republican presidential race is shaping up. donald trump is off to a big lead, and a growing list of opponents is out to stop him. we are turning to republican party chair ronald mcdaniel who s got a tough job, keep the gop united despite the controversial front-runner. do you have any problem with the republican party nominating someone who is under federal indictment? we will talk about trump threatening to skip the first gop debate and the message she thinks will beat joe biden in 2024. how do i write the ship? maybe don t go to the beach, joe. and later. comedy icon goldie hahn on making her own rules in both her professional and personal lives. imploding. i m happy to share this with you. her role of a lifetime, helping children with their mental health. let s get it done, baby.
and it s all thanks to our brain s incredible capacity to adapt, to learn, to grow. i m on a journey to understand the miraculous plasticity of the human brain. the brain will even change its structure. the core, the architecture of the brain can change. this is neuroplasticity. once thought to be limited to youth, we now know it s a constant force in shaping who we are. your minds can change the very substrate of its own operations. ..helping us to learn. adaptability is one of the most remarkable aspects of humanl intelligence, and i think. plasticity is the mechanism behind it. ..and to heal. well, neuroplasticity actually is at the core of neurorehabilitation. ..an active field of study that s helping us to understand how we became us. as things move forward, we re going to see more and more how much our motor ability actually is tied to the way we think and feel. and i want to know whether there s anything we can do to harness or boost neuroplasticity in our daily lives.
we re going to see more and more how much our motor ability actually is tied to the way we think and feel. and i want to know whether there s anything we can do to harness or boost neuroplasticity in our daily lives. on thisjourney, i m going to give you three hacks to help strengthen crucial connections and keep our minds younger in the process. as a science journalist, i ve always been fascinated by the workings of the mind. and today i ve come to royal holloway, university of london to scan my brain before embarking on a six week brain altering course. jaw harp resonates i m just taking a moment to settle into this posture. this is thorsten barnhofer, professor of clinical psychology at surrey university. he s currently running a study on the effects of mindfulness in managing stress and difficult emotions. he s also been looking into how mindfulness changes the actual structure of the brain itself, showing signs of this neuroplastic rewiring even after just a few weeks. a
hello, everyone, and good morning. welcome to cnn this morning. it is sunday, february 26. i m amara walker. good morning. i m boris sanchez. we are so grateful that you are spending your morning us with, starting your week with us. i am pumped to be alongside amara. how are you doing? same here. good to be with you. it s our friday. i am doing great. plenty to get to this morning. here is what we are watching. one thing that has been made clear to me is that everyone wants this contamination gone from the community. the epa stopping the removal of all contaminated material from that toxic train derailment in ohio as a battle now looms over how and where it should be moved. there is an outcry from neighboring states and the white house is responding, too. the war in ukraine is now in its second year and marked by fierce fighting in the east. our alex marquardt is there with troops from around the world who joined the front lines to fight russia s invasion. see
announcer: this is nbc nightly news with lester holt good evening, and welcome. after a dangerous confrontation in the skies, a warning tonight from russia to the u.s. not to fly aircraft near its airspace throwing the onus on the united states for that midair collision between a russian and american plane over the black sea yesterday. the u.s. making clear its pilotless surveillance plane was flying legally in international airspace when it was knocked from the sky by a russian fighter jet that had been flying close and aggressively the act raising alarms in the pentagon. secretary of defense lloyd austin confirming he spoke by telephone today with the russian defense minister, though not revealing the nature of their conversation. the u.s., however, accuses the russians of reckless and unprofessional behavior, and we have new reporting tonight on just how high up the orders came from in russia. peter alexander is at the white house with more reporter: tonight, for t