Sixteen months ago, Brigham Young University and Steven Jones parted ways, but he said this week he isn't bitter about the academic divorce. He certainly hasn't curtailed his volatile research on the collapse of the three World Trade Center towers after the terrorist attacks of Sept. 11, 2001. In fact, Jones is the lead author of a paper on the collapses published April 18 in a civil engineering journal. Most importantly, he is preparing several more papers that, if they pass peer review and are published, will give him the peace of mind that his case reached the public. Jones was energized in November when he ... received a response from the national lab charged by Congress to determine why and how the towers collapsed. The letter contained the following phrase: We are unable to provide a full explanation of the total collapse." "That," Jones said, "really was progress. It made me believe we could talk with them." It is striking. After producing a 10,000-page report, the National Institute of Standards and Technology can't explain the collapse. Meanwhile, the Federal Emergency Management Agency has said that its best hypothesis for the fall of the third tower, WTC 7 - diesel fuel stored in the building caused fires that collapsed the building - has a "low probability" of being correct. [Jones'] new peer-reviewed paper in the Open Civil Engineering Journal ... lays out 14 points of agreement Jones and his colleagues have with the official government reports. "We're getting to a higher level of discussion with this paper," Jones said. The open paper can be found for free on the Web at www.bentham.org.