Farmers looking increase yields and maintain healthy soil are trying the old technique of planting cover crops again. 

Extra Credit: Our pick of stories from around the web that bridge the gap between news and scholarship.

A short history of the literal interpretation of the Book of Genesis reveals it's largely a modern dogma. 

People with higher IQs may be happier in the city; they can adjust to the faster pace and more complex lifestyle there.

Do France’s Chauvet Cave paintings depict a contemporary volcanic eruption? Recent research argues that they do. 

People and birds carry their specific parasites around the world. 

The 100th anniversary of Pancho Villa's invasion of the U.S. raises the question of why he did it.

A relatively tiny member of the Rafflesia genus of giant corpse flowers has just been discovered. 

Through a didactic retelling of history, artist Faith Ringgold uses her story quilts to reframe the past.

In the years after his presidency, Roosevelt sent a letter to The Condor magazine criticizing painter Abbott Thayer's theory of animal camouflage.