Saah Exco was found alone on a beach in Liberia's West Point slum, naked and abandoned and likely an Ebola victim.Research suggests the story of one needy individual motivates charitable donors more than statistics about millions of sufferers. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

And so continues Code Switch's battle with illustrating studies about the subtle biases that inflict our email outboxes. iStockphoto hide caption

itoggle caption iStockphoto