Nightly News | August 05, 2013
>>> it was fiveears in the makinging. tonight a team of scientists has unveed what could be the future of foo aamburger grown from the stem cells ofcattle, cooke up in a lab instead of a kitchen. the folkbehind it s this is necessary because america's love affair with e hamburger ha no spread around much of the world and that's created a problem. our report on this tonhtrom nbc's kyra smons in london .
>> reporte people love haurge. wee been eating them for a long tim americans eat three hamburgers a week o avage,early billion burgers a year. now tast for burrs has gone global. and that's the probm. you need aot of cat toll feed the worls growing aetite for beef. thsolution may be the synthetic haurger. toy in london , they proved meat me in the lab can be cook and eaten. th recipe begins wit stem ces from cattle. from onece, 1 tllion more n be grown. layered togher they create laboratory be. add beet juice, saffron, caramel and brea crumbs and a burger is born. hodid it taste?
>> it wn't bad. it wasn't great. you would not eat this naked you. need to heome more flor, some salt, som ketchup, some pickles.
>> reporter: then there's the cost. $300,000 per patty. advocates including google cofoder sergei brinn say it's worth it becse cattle produce methane that harms the environment and consumes so much it's unsustainable.
>> the curnt meat pduction is at its maximum, a it's not going to supply sufcient meat for the growing dand ithe coming 40 year
>> reporter: not everyon likes the id. i thi it's disgusting.
>> reporter: so tho synthetic rgers are going t compe with the real thing, there going to he to taste jt as good. scientists say mass proction is years away. so for now, this lab-grown beef is rare but one day, we may all b ting it. keir simmon nbc ne, london .