but then germany's vaccine committee refused to approve astrazeneca for those over 65, citing a lack of data. instead, they'll get the pfizer shot. the backlash was spawned. so if somebody calls you now and says we have the astrazeneca vaccine for you, what would you say? >> i would say no thanks, give it to people who really need it. yeah. >> reporter: that's despite new real-world data from the united kingdom that showed the astrazeneca vaccine was more effective than the pfizer shot in preventing hospitalization. a stunning breakthrough, says immunologist thomas jacobs. >> we have the best and second best. i think we have two effective and safe vaccines. >> reporter: do you think that people are being snobs when it comes to the vaccine? >> yeah, maybe a little bit. >> reporter: and with many germans turning their noses up at astrazeneca, most sits in cold storage.

compared to more than 15% of americans getting their first shot, less than 6% of germans have gotten theirs. though that number is growing. >> we all want to get back into normal life, yes. >> reporter: now that perception might be changing. german chancellor angela merkel has defended the astrazeneca vaccine, and she's meeting today with leaders to decide the next phase of the pandemic response. this in a country that's still largely locked down. >> chris livesay in germany. >> governments and businesses around the world are scramble to come up with a way for people to prove they've been vaccinated against covid-19. so-called vaccine passports could determine who can travel, stay at hotel, even visit a bar. roxana saberi has the story from london. >> reporter: well, supporters say it could

help lift lockdowns in cities like london. you get a shot, you get a digital pass on your phone, and then you can enter restaurants and pubs. but critics warn of the potential pitfalls over privacy and more. israelis must now scan in to get into gyms, hotels, even concerts like this. >> it is all set in the telephone. it's very convenient. >> reporter: for more than three million israelis and counting, this is the ticket back to some kind of normalcy. >> finally all the way in the car i sing -- ♪ back to life back to reality ♪ >> reporter: the government-issued green pass shows personal details and proves they've had two doses of a covid-19 vaccine. now countries across europe and beyond are considering similar so-called vaccine passports or immunity certificates. to inject life back into a flagging tourism industry and

revive businesses and hospitality like pubs. the uk is studying whether to introduce vaccine certificates, raising the possibility that brits could soon need a passports for a pint. >> yep, all good. >> we haven't had stuff like this before. we've never thought in terms of having something that you have to show to go to a pub or a theater. and so there are deep and complex issues that we need to explore. >> reporter: issues like potential discrimination against people who don't want a shot, along with those who can't get one for medical reasons or because there's not enough supply. >> so these people won't be able to participate in life, in public life, in social life, in economic life, in the same way as their counterparts who have been vaccinated. >> reporter: clare wenham from the london school of economics says data privacy is another concern. >> is it going to be something that's digital, that attracts you? and that obviously opens a whole

different range of conversations about, you know, security of your data, for example. >> reporter: so governments shouldn't rush it? >> governments shouldn't rush it. i think it's a pandora's box. and i not it's a slippery slope into having life being govern ed by your health status. >> reporter: but as governments debate certificates, businesses are pushing ahead. some cruises and airlines, for instance, say they'll require proof of inoculation to board. so while these passes are raising tricky ethical questions, you may need one to travel as early as this year. the w.h.o. tells cbs news it opposes requiring vaccines for travel as long as the global supply is limited and their ability to stop the spread of the virus is not yet clear. the virus is not yet clear. >> roxan ♪ ♪ ♪hey, hey, how you doing, baby?♪ ♪you look mighty fine.♪ ♪i figured i might come your way,♪ ♪and roll up on you with that golden ticket.♪

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crest. the #1 toothpaste brand in america. i'm made to move. but these days, i'm not getting out as much as i'd like to. that's why i take osteo bi-flex. it helps with occasional joint stiffness, while it nourishes and strengthens my joints for the long term. osteo bi-flex. because i'm made to move. it's been a quarter century since the artist bob ross taught all of us how to paint happy little trees on his tv show. artist may be gone but his work lives on in the bob ross experience. lee cowan paid a visit. >> welcome back. >> bob ross with his curious hair and whisper of a voice. >> in our world there lives a happy little mountain. >> reporter: perhaps an unlikely tv celebrity.

>> a happy little bush lives right there. >> reporter: but became one of america's most famous painters, not only for creativity but for his positivity. >> we don't make mistakes, we have happy accidents. >> reporter: it was like watching a magician reveal the secret of his trade. >> isn't that a nice little tree? >> reporter: but at height of his fame at 52, bob ross died of lymphoma. 26 years ago. yet the happy little pareinter perhaps more relevant now than ever. >> we live in time where people have been frantic and stressed and bob ross is the king of chill. >> reporter: what many may not know, when bob ross came into our homes those years ago, he did it from a home, this one, in muncie, indiana. nobody thinks about where the show was made.

>> people walk in and are like, this is not a tv studio, this is a living room. yeah. it is a living room. >> reporter: jessica jenkins is curator of that living room, now the bob ross experience at the museum. this very spot is where for years "the joy of painting" was taped. those are his paint brushes, palette and of course his easel. >> would beat the devil out of the brush. >> peopl com in and recognize that, know exactly what that is. >> reporter: why muncie? this was home of the local pbs station. traveling on teaching tour, he approached with idea of teaching

in front of the camera. he was unknown at the time. >> they did not know who he was, but he had a lot of charm. >> reporter: wipb's general manager knew ross had something. >> his mantra was i'll never do anything harder than my audience is able also to do. >> even if this is your first s seascape, you'll have good results. >> it was about more than painting. >> it was giving people agency, something they're afraid to do, not talking about painting but life. >> reporter: ross practiced his tv paintings for days, making sure he could complete them in front of a camera in less than half an hour. >> he was very planned out and methodical. >> reporter: it came off spontaneous and calm. wasn't like he was racing through it. >> that's the thing about bob, you know on the inside he was on

speed clock getting through that painting, but on the outside bottom. >> reporter: part of the bob ross experience is trying your hand at painting. myself included. just a little quickly. >> little bit on it. >> reporter: i see. >> everybody needs a little friend. >> reporter: for certified bob ross instructor, that discovery that anybody could do it is the real joy of painting. >> sometimes grab their hand, it's going to be okay, just trust me on this. and it works. >> that did come together, i'm pleased with it. >> the trees especially. >> reporter: even mine was recognizable as something, it was remarkable ego boost, for everyone here. >> after sitting down and painting a painting, i really believe i can do anything. >> reporter: his simplicity

often brought criticism. what did the art world think of him in general? >> art world had mixed reviews, a lot of people categorized him as kitsch art. but if you look at canvasses that bob did on his own time, they are complex. >> reporter: like this, elaborate seascape that hung in his own home. >> later on in years, paintings got sharper and sharper. >> reporter: bob ross never made a dime and never expected his work to hang in a museum. but recently the smithsonian acquired four bob ross paintings for its permanent collection. in that at least, man who wanted to paint a happy little world has cemented his place in it as well. >> the message of having self-confidence, trying new

things, that doesn't get old. geration after genation. it jus >> so from all of us here, i'd like to wish [female narrator] whether school buildings are open or closed, we're always there for our students. because kids who already struggle with poverty, emotional trauma and other learning barriers need our support more than ever. at communities in schools we do whatever it takes. tutoring, mentoring, providing resources for at-home learning and just checking in. in schools ... and in communities. making sure all kids can learn and succeed. for more information, visit communities-in-schools-dot-org. ♪ ♪ ♪ ♪

environmentalists around the world are trying to come up with ways to slow the pace of climate change or at least help the wildlife threatened by rising

global temperatures. and that includes penins storrcti ta >>eporter: penguins are t need emr pengacierselt, temperaturese ve youaylovenguins, or how you get involved in this? >> yes. i love penguins. >> reporter: this iranian architect hatched a design to protect the majestic creatures. he says the floating igloo would give them a safe place to breed. >> the strategy like coming together in large group called huddle. >> reporter: that huddle inspired his two-part concept. an igloo above ground to give the birds enough space for a waddle to keep eggs warm and inverted igloo under water so penguins can search for food while a swinging pendulum uses waves to power fans to stop ice from melting. >> the underwater system is

independent and when needed can separate and move toward areas of melting ice. >> reporter: it's just a concept for now, but he says he's had interest from investors to build a prototype of the floating igloo. although some environmental activists say it's not the right solution. >> the root problem is our use of fossil fuels that is drastically changing the climate of the planet. until we address that we're not going to be able to save penguins through floating structures in the water. >> reporter: still, navidi is passionate about his penguin protection project and hopes to bring it to life. tina kraus, cbs news. >> and that's the "overnight news" for this thursday. for some of you, the news continues. for others check back later for "cbs this morning" and follow us online all the time at cbsnews.com. reporting from our nation's capital, i'm catherine herridge.

it's thursday, march 4th, 2021. this is the "cbs morning news." heightened security. the new threat of violence today against the u.s. capitol by a militia group just two months after the deadly capitol riot. >> i'm not going to resign. >> refusing to step down. new york governor andrew cuomo apologizes in the wake of sexual harassment allegations as we hear from one accuser's attorney for the first time. up in flames. a spacex rocket explodes just a spacex rocket explodes just minutes after landing. captioning funded by cbs

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