Uppers like Benzedrine and cocaine provided a willing workforce for our capitalist economy. Now, Americans are turning to ADHD medications.

Louis D. Brandeis was confirmed as a Supreme Court justice a century ago. The protracted nomination process may sound familiar.

Our columnist’s take on the future of the Internet and the importance of grassroots networks.

Happy Birthday, Walt Whitman, you old bard and…politician. Clearly you like to sing to yourself, but let us join ...

Before Walt Whitman was a famous poet, he was a scandalous poet, but before even all that he was in the thick of local and national politics.

Our suggested readings of stories from around the web that bridge the gap between news and scholarship. 

Mitochondria was once thought to be an integral part of all complex organisms. Then this organism was discovered.

The psychology of taste : we like what we can easily identify.

On this day in 1907, Rachel Carson—one of the greatest ecologists and nature writers of our time—was born.

The age when we grow up and begin our adult lives has changed over the years.