There will be mostly sunny skies. The high will be 19°. Pressure is the weight of the air in the atmosphere. It is normalized to the standard atmospheric pressure of 1,013.25 mb (29.9212 inHg). Higher ...
Fifty years ago, the discovery of a human ancestor "Lucy" generated worldwide attention. NPR's Scott Detrow speaks with paleoanthropologist Zeray Alemseged about the legacy of the discovery.