PUBLIC MARKS from pokabudki with tags news & science

HOUSTON - The Expedition 14 crew continued work this week on scientific experiments and increased the bandwidth on the International Space Station's computer network. Commander Michael Lopez-Alegria and Flight Engineer Suni Williams spent time working with experiments that may hold the key to several aspects of long-duration space flight as NASA looks forward to missions back to the moon and on to Mars or other destinations.

Although world population continues to grow, in the last couple decades the rate at which it has grown has begun to steadily slow. The U.S. Census Bureau gives the following estimates for world population growth over the last 50 years