invented some slick moves of their own andeated the rarest thinyou can create in any medium air, new aesthettichere's a look and a listen inside "radiolab." >> i'm gathering that from that point forward, you began to discover that these algorithms were everywhere in the market. >> yes, and growing. >> what are some of the algorithm algorithms and what are some of their strategies? >> the reason it turns on actually is because it gets there, brings a bunch of friends over and there are a whole bunch of molecules. >> you are listening to "radiolab"... lab... lab, from... ynyc. >> it's a show that asks to you look around, and when you care seriously about something, to look deeply and go all the way in. >> i want to understand as bestaise can how this works. >> there are these kinds of multiple layers. >> what is the question you would want to know? >> and the sound, the music, the theater is one way of kind of announcing that multiplicity. can. >> it activates the release of adrenaline and nora, dredge lin. >> he says those two chemicals kick off certain hormonal systems. >> it has to feel someho