karan who researches infectious disease at stanford says we're still the middle of the holidays, it'sgh to say how long this covid surge will last. >> and you know, yes, rsv is coming down, flu is coming down but you can still get infected. so lowering your risk where you can makes sense. >> reporter: he recommends good air filtration and high quality masks this holiday season to protect against all three illnesses. plus he says even taking some precautions is better than taking none at all. >> reducing risk is not an all or nothing activity. if you can't wear a mask at all times, doing activities where you're not wearing a mask, that's okay. you should still wear a mask where you can. >> san francisco international airport, some travelers are feeling comfortable flying mask free and feeling optimistic. >> last year was worse. >> reporter: this family eagerly wore masks to fly because their thanksgiving plans were dashed. >> because we had to cancel easter -- or thanksgiving because we got covid. so none of our family could come up. so we don't want to cancel christmas. >> reporter: i

. >> reporter: joined by a representative of one of this year's winners, karan khimji is the commercial44.01 and joins us live from oman. yours is about capturing carbon but in a nontraditional way as many of us know it. >> yes, absolutely. thank you for having me on the program. yes, so we eliminate carbon dioxide by turning night a rock and trapping in this solid form forever. >> and that is as opposed to carbon capture as we've known in the past where it's effectively stored and you have to monitor it. is that the key difference here? >> exactly, so carbon storage as we know it today is trapping gaseous co2 in underground formations. this brings on long-term monitoring requirements, insurance requirements, that may fall onto governments to look after into the future as that trapped gas remains stored. what we do is eliminate that co2 from existence turning into this solid carbonate form that doesn't require long-term monitoring because it can never be physically re-released into the atmosphere again. >> and this mineralization i think it's called is something that happens naturally.

joining me now from texas is the sports journalist and podcast host karan mehta. welcome to bbc news.aving me, it was a surprise given that he has been dominant for decades, but given how he has always carried himself, and the fact that he just had his first child did seem fitting as he came out of retirement, and it wasjust his last ever go ham and his first child's first—ever game, so it is full circle and good for the soul. �* , . , , is full circle and good for the soul. �* , , soul. and please tell us about his record. — soul. and please tell us about his record, how— soul. and please tell us about his record, how will— soul. and please tell us about his record, how will he - soul. and please tell us about his record, how will he be - his record, how will he be remembered? he his record, how will he be remembered?— his record, how will he be remembered? , ., ., remembered? he is one of those rare athletes _ remembered? he is one of those rare athletes that _ remembered? he is one of those rare athletes that we _ remembered? he is one of those rare athletes that we are - rare athl

como dijimos ayer a veces karan ven y corazones no sabemos—— caras ven y corazones no sabemos.iempo para navidad. nochebuena mÁximas que muchos de ustedes estÁn haciendo planes. chicago con 15°. florida 70°. definitivamente, una navidad bastante frÍa. se espera una tormenta invernal. de esto hablaremos mÁs tarde. voy para allÁ ahora mismo. raÚl: para que lo conozcas. jesse: bienvenido. raÚl: ricardo montaner llega a mÉxico junto con sus hijos para presentar su serie. compartimos con Él. nos cuenta buenas noticias. francisca: chiqui baby sorprende con un vÍdeo afirmando que no le gusta la navidad. serÁ verdad?no te pierdas en el revoltillo que serÁ lo que trae entre manos. raÚl: llegan nuevas imÁgenes de piquÉ y su novia que prueban que siguen juntos. tenemos las fotos. las veras aquÍ en "sin rollo". francisca: quÉdate con nosotros. "despierta amÉrica" tu casa. hacemos tus maÑanas mÁs felices. ♪ [ "pure love" by jarina de marco ] ♪ ♪ ♪ [ music ends ] por aquí... nunca nadie lo hace. yo no fui. por eso sabía que necesitábamos ultra oxi con el poder limpiador de tide. ahora... pod