. >> dean kepler is a photographer for the local newspaper, "the tacoma news tribune." the local fair for a number of years and has a front row spot during the stampede. >> in the pantheon of strange events i've covered and been a part in, it's up there. the cowboys told me that a couple of heifers, they kind of saw that they might give them some problems. >> it's a heifer, or a female cow, that is the troublemaker. she's on the run, making her escape with the steers hot on her heels. >> the cattle kind of tend to follow, you know, if one kind of breaks ranks, the others kind of go, hey, where's my friend here going. >> kepler is down on the street as the parade takes a turn for the unexpected. >> the mini mart gas station had this gaping wide, probably 15 or 20-foot gap where there were no people. and the first heifer took a little bit of a detour and then pretty soon, maybe have of them followed her in, past the gas pumps. >> just a few feet away, bree is working at an espresso stand. she's one of the first to catch a glimpse of the new parade route. >> i was just wor

starting with galileo kepler and others as they start doing experiments and they test certain theoriess comes along. reflect with our religious convictions that, you know, the sun revolves around the earth as opposed to a solar system or whatever. and then seeing how the scientific method has progressed all the way through, helps teach us how to think, helps teach us how society progresses, but also how to combine an appreciation for the humanities for that matter religion art, you know whatever particularly is important to you. how that gets reconciled with science! my daughter, she's trying to figure out what to major in and the college has a great history of science department, and she mailed me and said i didn't know science had a history. but now that i look at the history of science, i see how we build on things ask how there is a method -- and how there is a method that then -- as i'd said about frank lin and jefferson -- can be transferred to how we make a constitution, how we make a democratic system, how we make a society. so i think an appreciation for the history of science