11.   Identifying the precise origin could help scientists find potato plants that have developed natural resistance to the fungus.

12.   Seven astronauts were to spend time growing crystals, jiggling drops of fluids, measuring shuttle vibrations, setting controlled fires, and fussing over small potato plants.

13.   Seven astronauts will spend time growing crystals, jiggling drops of fluids, measuring shuttle vibrations, setting controlled fires, and fussing over small potato plants.

14.   The five men and two women on the crew also will work with fluids, controlled fires and potato plants.

15.   The fungus attacks the short, leafy potato plant and sometimes the tubers themselves.

16.   They will conduct experiments on crystals, fluids, fire, even potato plants.

17.   What part of the potato plant is poisonous?

18.   White potatoes grow at the end of underground stems of the potato plant.

19.   Other experiments include a cultivation of potato plants and studies on metals and ceramics.