i'm phil torres and joined by dr shini somara, and dr crystal dilworth. crystal, you got your ph.d. , that caltech is a hot bed of scientific discoveries, happening every day. and today we are lucky enough to meet the scientists. >> absolutely, there's wonderful work. and we are caltech nerds. we have a reputation. we are featured a certain way on sit comes, "the big bang theory" tv show. >> exactly. i'll show you some of my favourite people doing incredible science. the m.e.r.s. is mcarthur -- first person is mcarthur prize winner, taking an approach to energy, global conservation. >> climate change is not a far-off problem in the future. it's happening now, causing hardship now. climate change is real. we have to act now. >> the debate about whether climate change existed at all is falling to the background. i think people accept it's a reality. it's here. now it's a question of what do we do to combat it. >> on the front lines of combatting climate change is caltech aeronaughtic professor dr john deberiy. he's taking cues from animal. >> the name of th