Depression may be challenging to assess in a patient with dementia. In patients with AD, the presence of depression may range from 6% to 30%, depending on the diagnostic criteria employed (Cummings et al., 1995). The prevalence and course of depression in dementia are controversial, due to several confounding factors.
Astronauts use space shuttles(trasport people and equipment), Space probes (robotic exploration, Spacecrafts (trasport crew, equipment, and other technologies).
EVER WONDERED how astronauts pee in space? Last week, the space shuttle Atlantis blasted off for an 11-day mission to repair the Hubble Space Telescope. In addition to the seven American astronauts on Atlantis, there are three astronauts living and working on the international space station. With 10 humans orbiting Earth, it seemed like as good a time as any to talk about what astronauts do when nature calls. Alan Shepard was the first American to be launched into space. His mission was a 15-minute flight that took place on May 5, 1961, in the Freedom 7 spacecraft.