kosta grammatis is an engineer that designed everything from satellites through space to bionic eyes. tonight he goes one on one with a bot. forget about football, meet the science squad. kids from a las vegas turning heads around the world. i'm an entomologist. . that's the team. let's do some science. >>> hey, guys, welcome to "techknow", i'm phil torres, joined by marita davison, and kosta grammatis. marita, you met a man who spent years as a crime scene investigators for human victims. now he and his lad is taking on the fourth largest industry in the world, it's a tragic. >> yes, we think of forensics dealing with human victims, we don't think of it as a bird. it's a wildlife services add, taking on the illegal trade in endangered species, global, problem. >> some lines are extinct. how big is the industry. >> in terms of economic value, a $19 billion industry. techknow had an inside look at the c.s.i. forensic lab. >> reporter: the world's animal kingdom is under siege. since 1970 animal populations declined on average by half, according to estimates by the world wildlife fund.

special episode this is taliban country only on al jazeera america kosta grammatis is an engineer thatesigned everything from satellites through space to bionic eyes. >>> this is "techknow". a show about innovations that can change lives. . >> the science of fighting a we're going to explore the intersection of hardware and humanity and we are doing it in a unique way. this is a show about science by scientists. let's check out the team of hard-core nerds. dr crystal dilworth is a molecular neuroscientist. tonight -

special episode this is taliban country only on al jazeera america kosta grammatis is an engineer that designed everything from satellites through space to bionic eyes. >>> this is "techknow". a show about innovations that can change lives. . >> the science of fighting a we're going to explore the intersection of hardware and humanity and we are doing it in a unique way. this is a show about science by scientists. let's check out the team of hard-core nerds. dr crystal dilworth is a molecular neuroscientist. tonight - basil mint and more growing under light in an industrial warehouse in chicago. zero pesticides - 98% less water. who needs rolling fields and who needs the sun? >> you have a lot more red than you do blue. >> yes. >> why is that. >> marita davison is a biologist specialising in ecology and evolution. the wild paradise smacked in the middle of an airport. >> that's all honey in here. >> yes. >> conservationists are turning wasteland green, and using extraordinary measures to keep it that way. >> here goes. i'm phil torres. i'm an entomologist. that's our team, now let's do