. >> reporter: for more than five decades, professor emeritus charles krohn has nourished the soul ofour city reeks with the smoke of burning incense. >> reporter: teaching the classics at the university of st. thomas in houston, and he wasn't about to let the coronavirus get in the way. >> they couldn't run me off, so i just stayed around. once upon a time... >> reporter: but that's meant embracing technology and a whole new way of teaching at the age of 91. are your students helping you? >> oh, yes. definitely. yes. especially if something technical is wrong. "well, professor krohn why don't you try doing it this way." >> reporter: he currently teaches five days a week and often relies on his theater background to engage his students. his dedication wasn't lost on his former students, who took to social media after his virtual teaching went viral. one former student writing, "he left a lasting impression on our lives." i'm curious, how old do you feel? >> well, like jack benny-- how old am i? i'm 39. ( laughter ) >> reporter: meg oliver, cbs news, montclair, new jersey. >> o'donnell

"well, professor krohn why don't you try doing it this way." >> reporter: he often teaches five daysoften relies on his theater background to engage his students. his dedication wasn't lost on his former students, who took to social media after his virtual teaching went viral. one former student writing, "he left a lasting impression on our lives." i'm curious, how old do you feel? >> well, like jack benny-- how old am i? i'm 39. ( laughter ) >> reporter: meg oliver, cbs news, montclair, new jersey. >> o'donnell: very impressive. teaching via zoom is hard for anybody. we'll be right back. his name was charles and charles met martha... isn't she pretty? yeah. isn't she pretty? hey allergy muddlers... achoo! ...do your sneezes turn heads? try zyrtec... ...it starts working hard at hour one... and works twice as hard when you take it again the next day. zyrtec muddle no more. i do motivational speakingld. in addition to the substitute teaching. i honestly feel that that's my calling-- to give back to younger people. i think most adults will start realizing that they don't recall things

president krohn tweeted in arabic and french freedom, dialogue, and coexistence, thesr are deepted valuesbanon. he because on to say france will always stand with the lebanese people. this is his second visit to the country since august explosion in the port of beirut. troops assisting in the cleanup operation. he is promising reforms and order to the countries taking system. he>>were trying to get the parliament and in general, they were protesting against the entire system. your question is quite important. there has been a lot of ambiguity about the precise purpose behind certain protests in the country. some which have been directed specifically at the president. others directed specifically at hoe speaker of parliament for parliament as a. f these protests are notpl necessarily simy the popular ang. there's also a lot of political maneuvering going on in the street, not just behind closed doors. it is not entirely clear whether they had a specific single in-line -- in mind. of course, there is a lot of anger and that will continue to manifest itself in trotests ac country in differen

gave any thought to retiring -- >> reporter: for more than five decades, professor emeritus charles krohnf his students. -- reeks with the smoke of burning incense -- >> reporter: teaching the classics at the university of st. thomas in houston, and he wasn't about to let the coronavirus get in the way. >> they couldn't run me off, so i just stayed around. once upon a time -- >> reporter: that's meant embracing technology and a whole new way of teaching at the age of 91. are your students helping you? >> oh, yes. definitely. yeah, especially if something technical going wrong -- professor, why don't you try doing this? >> reporter: he currently teaches five days a week and often relies on his theater background to engage his students. his dedication wasn't lost on his former students who took to social media after his virtual teaching went viral. one former student writing, "he left a lasting impression on our lives." how old do you feel? >> like jack benny. how old am i? i am 39. >> reporter: meg oliver, cbs news, montclair, new jersey. >>> so coming up on "cbs this morning," of course m

munich they were supposed to laos have been told and the 7500 came since high but because of the rising krohn of iris numbers there won't be any chance to escape as ever thanks for coming and going us up to date on what else. let's get you a modern now of our top story at this hour israel's preparing to return to a nationwide lockdown at of the jewish new year of the 3 week long restrictions as the country faces one of the world's hardest. worldwide corona virus infections have now passed the 30000000. this is due to the news live from berlin stay with us to the point is up next with a roundtable debate on china and its relationship with europe the back of course at the top of the hour i'm ryan thomas for the entire team thanks. more. to the point of strong opinions clear positions international perspective such. things are getting increasingly strange between the e.u. russia and china are the 2 sides have been hoping to sign a landmark investment deal in reality though they're hardly on speaking terms why find out onto the point shortly. to the point. next on t.w. . in a globalized world. wh

in the capital but she had to pull out of the 1st touring events because of a number of growing a krohn of arson factions and the majority of cases are in direct heightened state by tens of thousands of people have been displaced. it's mostly written jim was limbs affected hundreds of thousands have fled fighting since the military crackdown in 2017 monday nearly $300.00 were rescued in indonesia after they were drifting at sea for several months jessica washington reports now from to cut. up to 7 months at sea these children are exhausted and traumatized they survived a dangerous journey to safe in the indonesian province of sindh nearly $300.00 were hindu refugees disembarked in indonesia but at least those who died on the long trip from bangladesh. was killed fortunately we came to indonesia and indonesian people are really helpful towards us local authorities a working with the un's refugee agency to provide support including medical care. that. i couldn't stretch my legs when i slept we were just sitting so it affected our legs so much that we almost got paralyzed some of the group

think of high risk conditions, as applying to people who have inflammatory disorders of the colon krohn'shing its head starting to see cancer in young bhieshts don't carry traditional risk factors don't know why active intensive investigation national research priority. >> my mother never smoked died of metastatic, lung cancer when we asked her oncologist what caused it, it was environmental, that was the answer, it wasn't even radon in the home there was never a smoker in the home either. that being said, with say breast cancer there are genetic tests women can do and men to find a gn gen oetic predisposition,. >> that answer is complicated, we are not yet encouraging adult men and women to go out and get genetic testing without prior cause, but we are, however, very much encouraging the patients that we see coming into us with young onset colon cancer to get genetic testing so we try to get clues not only why it happened how to better care for disease try to identify here family members, who maybe at risk to try to prevent formation of colon and other cancers that may be tied to a genet