Manned space missions bring with them a plethora of challenges to keep astronauts alive and healthy, especially on long-duration space missions. Astronauts need to breathe, eat, drink, excrete their food and drink, and be kept free of infections to stay healthy enough to do their job. The key to an astronauts' wellbeing has been found, somewhat contradictorily, to be a group of tiny organisms -- bacteria.
"Since I was a child my family has made an almost weekly trip to have lunch in Skaneateles," says Rachel Dickinson, based in the nearby New York State town of Ithaca and author of Falconer on the Edge.
U.N. Secretary General Ban Ki-moon has urged Ukrainian government forces and rebel fighters to respect a fragile ceasefire, following the death of a Swiss Red Cross worker in shelling in eastern Ukraine.