In reaction to Nick's column, a reader writes an email to Steve Jobs asking about the sourcing of minerals used in Apple products, and he gets a response.
Apopo, which trains rats to detect bombs and Tuberculosis, has received more than $150,000 in donations since a column featuring the organization ran on Thursday, June 17.
President Obama seems to have forgotten about Darfur, and his policies may be increasing the risk of a catastrophic new war between north and south Sudan.
Kristine Silvestri, a recent graduate of Elon University in North Carolina, has written a post about contracting malaria while she was on a study abroad program in Ghana.