zevi of others among a team of experts the german government has commissioned to conduct a matter analysis of lab meat studies proponents of in vitro meat say the technique has the potential to make factory farming redundant thereby saving resources and protecting the environment but what does the research say it's kind of a flash thought it depends on the type of meat in ventura growth would reduce the number of animals that need to be found in the case of beef far less land would be needed for chicken and pork it would be less to you but the advantages far bigger for being the son daughter to fall to same applies to harmful emissions. with beef methane is a major problem that could be avoided. if cultured meat production really does take off this is how factories might look in the future. but 1st there is a problem that needs to be solved the nutrient solution in which the meat grows. up to now scientists have been using fetal bovines. it's extracted from pregnant cows at slaughterhouses. the substance comes from the blood of the foetus and distracted from its still beating heart it prov

zevy hamburger part of the specialized rapid recovery team. >> say hello, everyone. working hard, taking care of the covid patients. >> reporter: volunteering to do one of the most dangerous jobs in the hospital. >> so we're all ready to go. we can minimize the amount of time we actually have to open and close this door. >> reporter: this is his wednesday. intubating patient -- >> we're running to another emergency airway. >> reporter: after patient. >> running to another intubation. this is my fifth of the day actually. it's about 2:30 in the afternoon. >> reporter: a procedure where the risk for spread is high, but dr. hamburger is a covid survivor. >> i was hoping since i had the virus myself, i have some modicum of immunity. >> reporter: leaving after a long day, he says he feels lucky. he and his wife battled the disease while caring for their three young children. >> i can go home, see my family, spend time with my family. because we all likely had it. most of my colleagues who didn't get infected, they're still here on the front lines doing the same thing that