Today in History for August 14th

On August 14, 1996, at Dartmouth College in New Hampshire, a respected chemistry professor named Karen Wetterhahn was carrying out what appeared to be a completely routine laboratory procedure. While transferring a small amount of a specialized chemical using a pipette, a tiny spill occurred on her gloved hand. Following all known safety guidelines at the time, she cleaned the area, removed her protective equipment, and continued her work—confident that the safety barrier had done its job. For m

This Day in History: August 14, 1991

Mars Pathfinder - NASA Science

Som ET - 59 - Mars - Mars Pathfinder - Sojourner Rover - 1996 The Mars Pathfinder mission, designed to demonstrate a low-cost method for delivering a set of science instruments to the Red Planet, was the first wheeled vehicle to be used on any other planet in the solar system and served as the foundation for the Mars rovers of today. The mission landed a rover -- Sojourner -- on the surface of Mars using an air bag landing system and innovative petal design, which have been used since in various