Nell Greenfieldboyce Nell Greenfieldboyce is a NPR science correspondent.
Aliens Teach University Economics Class
Water Extracted from the Air for Disaster Relief
All this week on Morning Edition, Jason Beaubien has been reporting on why many African nations seem unable to make forward progress. One serious impediment: seemingly endless civil wars. And tonight, Michele Kelemen reports on Uganda, which has suffered civil war for twenty years, and the hopes that the U. S. might be able to bolster a fragile peace process. Keleman speaks with Grace Akolla, who was abducted by Uganda's main rebel group, the Lord's Resistance Army, and forced to become a child soldier in the conflict. At issue: What needs to come first, peace or justice? Should the LRA's leader be offered amnesty? With that, I'm signing off and turning Mixed Signals over to my esteemed colleague, JJ Sutherland, who will be blogging on Monday before he returns to Iraq.
I'm guessing that the word "curds" does not leap to mind when you are doing your laundry. Frankly, I'm not even sure what a laundry "curd" is, although I can kind of guess (yuck). That's why the American Chemical Society, which bills itself as "the world's largest scientific society," is honoring Tide detergent this month: "The development of Tide -- the 'washing miracle' synthetic detergent -- by Procter & Gamble will be designated a National Historic Chemical Landmark in a special ceremony in Cincinnati, Ohio on October 25….Tide, the first heavy duty synthetic detergent, debuted in 1946, the culmination of a search to replace traditional soaps, which did not clean well in hard water and deposited a reside of scum, or curds." This announcement probably won't get as much attention as, say, the Nobel Prize announcements. But "Tide is an interesting story," insists Judah Ginsberg of the ACS...
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Lightning Strike Delays Shuttle Mission