Martian meteorites and the evolution of Mars  The Clear Lake Gem & Mineral Society will hold their monthly meeting on Monday, April 17, at 7:30 p.m. at the Clear Lake Park Building located at 5001 Nasa Parkway, Seabrook, TX. The program will be presented by Thomas Lapen, Professor in the Earth and Atmospheric Sciences Department at the University of Houston. He will discuss insights into the