i want to know whatappens in there. i'm not satisfied seeing the colors. i want to see what the molecules do. how can i find out about those tiny things? those colors can be looked at with a spectrometer. those messages from within can be deced. they happen quickly, those color changes. i can try to move quickly. i can try to fight nature and slow down the reaction by cooling it. i can build a faster spectrometer. slowly, laboriously, we can build up a picture of what happens in a chemical reaction, whether it's don's experiment or in the leaves of that tree. the explanation must lie at the molecular level. this is what we'll see in the next program. captioning performed by the national caponing institute, inc. captions copyright 1989 educational film center and the university of maryland funding for this program was provided by... additional funding provided by the people of dow, the company that lets you do great things, the 8,000 scientists of the eastman kodak company, the exxon education foundation on behalf of exxon scientists, and... for information

how much of that is from the student aid ra >> we have assumptions in terms of whatappens on these progr programs, determined by authorizing committees. with respect to mandatory programs. there were expansions done in a -- some bills,ne a reconciliation bill for incom repayment program. we assume that that was, would be reversed. there are other asumgsumptions make. >> any assumptions regarding pell grants. >> on pell grants. we assume. we do not assume a increase in the war. we assume the current award level. the president's budget has the a hype ear ward leve-- higher awa. only funds it for two years. our assumption on pell grants. fund it within the discretionary amount. pell grants is a program. a portion of it funded with mandatory fund and part of it is discretionary fund. we assume it is funded with discretionary resources. and that the maximum award is maintained. >> yes, significant portion of 166. the shift from mandatory to discretionary. >> do you assume thedo lower in coming out.ith respect to the assumption in the base line. under current law. >> let me turn to function 92

actually touches them, when they have a family member who dies violently and they want to know whatappenedd when there are good answers to those questions, people are grateful. if there are not good answers, there is no place for them to go to get an answer, so they have to take what's out there. >> this one, i think i really should have... slipped up. i should have done... >> bergman: remember dr. thomas gill, who was coached in that murder case in northern california and was called an "incompetent pathologist" by the state bar? a year after that trial, he left northern california to do autopsies in kansas city, missouri. in kansas city, dr. gill made news again. an independent second autopsy revealed that a man dr. gill said committed suicide actually died from an injury sustained in a car accident. >> deputy medical examiner gill told kctv 5 in march, "mistakes happen." >> at times, even though we do our best, new information arises which necessitates an amendment being made. >> bergman: eventually, dr. gill left kansas city, and that's when he made the most surprising move of his caree