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/

by Fareed Zakaria

In a Facebook poll of 188 respondents, 50.5% chose “Water - How can we ensure everyone has access to safe and clean water?”. How we count

Water - How can we ensure everyone has access to safe and clean water?
50.5%
Food - How can we ensure everyone has nutritious sustainable food?
23.4%
Antibiotics - How can we prevent the rise of resistance to antibiotics?
12.8%
Dementia - How can we help people with dementia live independently for longer?
5.3%
Flight - How can we fly without damaging the environment?
4.8%
Paralysis - How can we restore movement to those with paralysis?
3.2%
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