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
reporter: you don t have to get lost in the desert to get the brain benefits experts suggest changing your usual route, turning off the gps on routine trips, and getting lost on purpose for the challenge of finding your way. for kathy, who has a family history of dementia, her good old map and compass could be the key to keeping her brain sharp dr. john torrez, nbc news, cade creek, arizona good for her. we have a lot to cover in our second hour of chris jansing reports. let s get right to it. at this hour, surf, sand, and seaweed? we ll tell you about an enormous and frankly kind of scary looking blob that s threatening to ruin spring break on south florida beaches. school officials in los angeles scrambling to prevent a three-day strike, which would shut down school for hundreds of thousands of students. straight ahead, where those talks stand right now. the clock is ticking for tiktok the biden administration threatening a ban unless the owners give in to pres
bloody war in ukraine. is that what was behind this week s confrontation with the u.s. drone and what does it say by him asking billionaires to save the russia economy. and the roller coaster on wall street shows no signs of stopping the s&p 500 is actually up what it all means for finances of everyday americans. and donald trump and his allying ramping up on ron desantis. and vladimir putin is under exterior and growing pressure both at home and abroad. mired in a war that s gone on far loster and cost more money and lives than nearly anyone had predicted. today putin addressed business elite in person, the first time he s done that since the war started. he called on them to invest in russian society, to put patriotism above profit. the latest sign of how badly russia s economy is suffering. it comes on the same day they released the have i i don t. nbc has learn that the pilots was on to harass the drone before ultimately colliding with it, forcing it to crash in t
three feet of snow in parts of the northeast. in the west evacuations after storms bring rain and floods to california. now crossing the country. stocks falling on wall street amid fears another major bank could fail. the terrifying accident at a texas zoo. a tree falling on multiple people including a child. what we re learning. the high-stakes hearing. the judge in texas who could ban the abortion pill nationwide, even in states where abortion is legal. what happened in court? and america has a new favorite pup after more than 30 years. which breed beat out labrador retrievers to become the top dog. 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 pi
extremely convenient, but they take the thinking out of it they take the brain effort out of it. and it may be doing us a disservice in the long run reporter: losing navigational skills can lead to cognitive decline, even dementia, but reading a map stimulating the hippocampus. by turning off the gps and using a map instead to navigate through unfamiliar routes, we re training that part of the brain. and it s less likely to decline. reporter: people who participate in orr yen tiering suggest that by turning on gps and instead lying oon a map cou beneficial to your aging brain one of the first symptoms associated with alzheimer s disease is a loss of our ability to get from point a to point b this is why this may be a beneficial way to stave off cognitive decline because it taps right into that thing that they re losing first