Jonathan Ingraham, who runs a Chattanooga nonprofit seeking to bridge Christian faith and everyday life, said he's heard from pastors of a problem that has in recent years grown more acute: They feel ...
image: Knowing about navigation: Savannah sparrows recalibrate their compass systems using polarized light at sunrise and sunset. Inset: (left) Savannah sparrows, (right) The Prime Meridian Sculpture ...
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