The video shows the crew going around their daily tasks, as well as Commander Mark Kelly doing his daily exercise on a modified exercise bike.
It's truly amazing to see the astronauts and 'stuff' floating around the screen, and realizing that this is not actually a science fiction film, but reality -- viewed through your computer.
The space shuttle left for the international space station last Monday for a scheduled 16-day mission to deliver the Alpha Magnetic Spectrometer-2 and critical supplies to the space station. The spectrometer is a particle physics detector designed to look for various types of unusual cosmic matter.
This is the last mission for the Endeavor, and the second-to-last mission for the space shuttle program.