The expression dates back to at least the 17th century and refers to the physical effort required to complete a task, like ...

Ark., hopes his latest book serves as an "alarm bell" that China poses a growing threat to the United States, as well as the ...

What should you do if you think the item is not just special but possibly an ancient artifact? "Archaeologists would like you to leave it in place and take a photo," Elizabeth Reetz, director of ...