the three-mile loop closed to tourists because extreme heat is causing thick oil to bubble to the surface. look at that. that s an oil slick. the world s tallest thermometer back on-line after two years of renovation. the 134 foot thermometer is in baker, california. it reached the highest official temperature on july 10, 1913 in death valley. what was the temperature? 113. next we re talking about a liquid crime fighting tool, very high tech that can be seen under a black light. it is like a scene out of a crime drama. crops in florida and indiana are using this high tech spray that s catching criminals in their tracks. i got a chance to check it out. oh man! just as fingerprinting and d.n.a. revolutionized