Author Mary Roach with her new book, "Packing for Mars", in Santa Clara, Calif., on Saturday, August 13, 2010.
john green/staff 1/7/02 smc times business Apple Computer CEO Steve Jobs introduces the new I Mac computer at the MacWorld Expo at the Moscone Center in San Francisco Monday morning.
Waves crash along the coast during high tide in Pacifica, Calif., Wednesday, Jan. 13, 2009. There are new concerns about the eroding cliffs in Pacifica below the 300 block of Esplanade Avenue. On Wednesday, work crews will relocate a large crane and begin moving more large boulders down to the beach to slow the erosion. (John Green/Staff)