My friend Jere of wasted limbs and an iron lung knew what polio could do: Jeff Spiess
During the summers of the years after World War II, mothers dreaded fever in a child because these were the worst years of ...
Sand-sized fossils may hold secrets to the history of climate change
Between 18,000 and 11,000 years ago, the amount of carbon dioxide in the atmosphere suddenly shot up. This caused rapid ...