Search Results

Physicist Brian Greene discusses the historical quest for a grand unified theory in physics which will reconcile quantum physics and general relativity, and considers the possibility that superstring theory may bring an end to that search.

"Thousands of American soldiers are returning from the battlefields of Iraq and Afghanistan with severe wounds from chemical war. They are not the victims of ruthless enemy warfare, but of their own military commanders. These soldiers, afflicted with rare cancers and respiratory ...