Thishour,wediveintothemessymysteryinthemiddleofus.What'sgoingondownthere?Andwhatcantherumblingsdeepinourbelliestellusaboutourselves? 

WejoinauthorMaryRoachandreachinsidealivecow'sstomach.TalkwithwriterFrederickKaufmanaboutourfirstpeekintothewonderfulworldofhumandigestionthatcameaboutthankstoahuntingaccident.Andexplorewithshowregular,sciencewriter,andfellowwaterdrinker,CarlZimmer,aboutthetrillionsofmicroscopiccreaturesthatkeepusregulated,physically,butalso,maybe,emotionallyandspiritually.

OurnewslettercomesouteveryWednesday.Itincludesshortessays,recommendations,anddetailsaboutotherwaystointeractwiththeshow.Signup(https://radiolab.org/newsletter)!Radiolabissupportedbylistenerslikeyou.SupportRadiolabbybecomingamemberofTheLab(https://members.radiolab.org/)today.FollowourshowonInstagram,TwitterandFacebook@radiolab,andshareyourthoughtswithusbyemailingradiolab@wnyc.org.

LeadershipsupportforRadiolab’sscienceprogrammingisprovidedbytheGordonandBettyMooreFoundation,ScienceSandbox,aSimonsFoundationInitiative,andtheJohnTempletonFoundation.FoundationalsupportforRadiolabwasprovidedbytheAlfredP.SloanFoundation.