EILAT, Israel - A Palestinian suicide bomber attacked a bakery in this southern Israeli resort town in February, killing three people and himself, police said. It was the first suicide bombing in Israel in nine months and the first ever to hit Eilat, Israel's southernmost city. Israeli leaders said the bombing jeopardized a two-month truce in Gaza. In other News, scientists have come a long way in the past decade in their understanding of wind-blown formations on Mars, and Israelis have played their part. Geomorphologists at Ben-Gurion University of the Negev in Beersheba have been collaborating with NASA scientists in using the Negev and other deserts as analogs to understand windblown formations and how they affect the landscape, BGU's Prof. Dan G. Blumberg told The Jerusalem Post . NASA has sent two astronauts and one of its chief science officers to Israel this week to take part in a series of consultations and lectures. The visit is part of a series of events marking the fourth anniversary of the day the Columbia space shuttle broke up in flames after reentering the atmosphere on February 1, 2003, killing all seven crew members, including IAF Col. Ilan Ramon.