Which “problem” should the Longitude 2014 challenge try to solve? Take the poll below for fun, or if you're in the U.K. you can vote for real here: http://www.longitudeprize.org/

Question

188 votes

Answer 1

Flight - How can we fly without damaging the environment?

5% / 9 votes

Answer 2

Food - How can we ensure everyone has nutritious sustainable food?

23% / 44 votes

Answer 3

Antibiotics - How can we prevent the rise of resistance to antibiotics?

13% / 24 votes

Answer 4

Paralysis - How can we restore movement to those with paralysis?

3% / 6 votes

Answer 5

Water - How can we ensure everyone has access to safe and clean water?

51% / 95 votes

Answer 6

Dementia - How can we help people with dementia live independently for longer?

5% / 10 votes

Fareed Zakaria