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debra patta. >>> so the quest to make a more human robot is taking a big step forward in italy. scientists there are working on robots that can detect and respond to all kinds of human emotions. ian lee has this story. >> reporter: able is learning to smile, snarl, and frown. 20 motors under his artificial skin give the robot emotions just like us. engineers in italy hope some day able will be a friend for people with cognitive disorders like autism or also himer's. this researcher says we want able to know how people are feeling to keep them healthy, not just physically butmentally and emotionally. to make able look eerily real, they teamed up with a special effects artist. right now, someone has to wear sensors for the robot to recognize their emotions. the next step may seem like something out of science fiction. >> to give able a human brain. >> reporter: with the help of tissue taken from stem cells. >> it's an aggregate of stem cells which self-organize to resemble the structure and function of a human organ. >> reporter: scientists say that would allow able to read our ex

debra patta reports. >> reporter: this vaccine station, the elderly are finally being immunized. it's a far cry from the u.s., where they are already vaccinating children. this man is up with the rooster's crow. he's trying to stay strong after fighting the pandemic for over a year with nothing more than a mask. but with no vaccines available in the tiny kingdom here, he's not ready for the third wave. >> reporter: worried about infecting his family, he lives at the clinic. it's the first line of defense against the virus for the local community. the fact that the u.s. is already vaccinating children is cause for hope, he says. it's just that, that hope is not for him. >> reporter: the country has already exhausted its meager supply of vaccines, just over 30,000 health workers have received their first shot. and he was not one of them. if wealthy nations are able to vaccinate children, they should be sharing excess doses, believes dr. abdul karim. >> to me, it's unconscionable that a country vaccinates low-risk people, when other countries haven't even vaccinated their health car

faces a shortage of vaccine just as a new wave of infections sweeps across some countries, debora patta south africa. >> reporter: nurse menzi knomo is up with the roosters' crow, she is trying to stay strong after fighting the pandemic for over a year with nothing more than a mask. but with no vaccines available in the tiny kingdom of eswatini, he is not ready for the third wave. >> our country cannot afford even the simple treatment, the covid patients. >> reporter: worried about infecting his family, he lives at the clinic it is the first line of defense against the virus for the local community. the fact that the u.s. is already vaccinating children is cause for hope, he says. it is just that that hope is not for him. >> we know that there is something that can assist you, that can save more lives but you can't access it. it is like you liver in another world. >> reporter: the country has already exhausted its meager supply of vaccines, just over 30,000 health workers have received their first shot. knomo was not one of them. its wealthy nations are able to vaccinate children, they

for "cbs this morning," debra pat patta, johannesburg. >> that is quite a scene. >> and you can -- youi don't think those are diamonds they're finding. >> doesn't look like it to me. >> but what if they are? >> that's the dream. >> that is the dream. >> that's the dream. >> if i was nearby, i might jaunt over there and dig through the dirt. >> very tempting. >> take a shot. >>> all right. americans are getting ready to mark juneteenth and the end of slavery in the u.s. ahead we'll talk with businesswoman and mother of beyonce and solange, tina knowles-laws , about how her practices if rotating power outages are a possibility because of the heat wave. people are being asked to set temperatures to 78 degrees, limit the use of major appliances and turn off unnecessary lights. >>> the governor will announce a new vax for the win partnership. ten have now won $1.5 million each including one person from marin. >>> today the sand maintenance project will start along the great highway. about 30,000 yards of sand will be moved. closures will last for seven days. >>> and use 19th for that. we ha

debora patta went to see with a group of researchers who urgently are trying to figure out why the oceany ride from gansbaai as we meet up with search researcher sara andreotti. the apex predator which has survived over 400 million years is in deep trouble. four years ago you'd see between five to 20 great white sharks a urinon now you'de s t i entire year. >> caught us by surprise. >> reporter: this trip just happened to be one of those lucky days. so the deadly silence that we're seeing, no great white sharks around us, is actually an alarm? >> yeah. it's sad. the disappearance of such a large predator. that was excellent timing. >> what happened? >> great white! >> okay. whoo! >> reporter: this is the first white shark andreotti has seen in over two years. getting a sample is crucial, not so easy when your subjects keeps outwitting you with its per can you recall movements. after several attempts including a thorough soaking, there's cause for celebration. >> yes. this time we get a sample. whoo hoo! >> reporter: what does it mean to get a sample from the great white? >> it could give