Here's a philosophical question for you. If a color doesn't have a name, can we still see it? Many years ago, the human eye evolved to give us the ability to see about a million colors. That's a lot.

Researchers are using diary entries, travel notes, religious registers, and other primary historical records to better understand extreme climate shifts in Transylvania during the 16th century.

Javier Wallace, a postdoctoral associate at Duke University, was digging through the school’s archives while doing research ...