These maps will in turn guide partners in determining where to drill boreholes to bring the water to the surface in a cost effective manner.

UNESCO: Combating drought in the Horn of Africa

In cystic fibrosis, this mechanism is far less effective, because the level of salt concentration in the airway surface liquid is far too high.

BBC: Sugar spray 'prevents lung infections'

These will be much more effective at filtering contaminated water because the beads will have greater surface area for the arsenic to bind to than the plastic chips.

FORBES: "Plastic Bottle" Filters Can Help Millions Poisoned by Arsenic-Contaminated Water

The real question is whether the administration is prepared to provide even those "koshered" rebel groups, those without ties to Sunni extremists and an inclusive approach to the new Syria, with the "manpads": portable surface-to-air missiles and anti-armor weapons in sufficient quantities that might be effective against al-Assad's air and armor.

CNN: Obama's no-win options in Syria