The first live-tweeting presidency resembles the broadcast-era version of democracy more than the kind of democracy the internet was supposed to enable.

The mosaics in New York City's new 2nd Avenue subway stations follow a tradition thousands of years old.

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

Mr. Coffee, the first electric-drip coffee machine for home use, debuted in 1972, forever changing the way Americans made coffee.

The first working internal combustion machine debuted in 1807, powered by lycopodium powder, which is made of explosive plant spores.

What causes shifts in currency after a political event is, essentially, human expectations.

Historically black colleges and universities have also been on the forefront of fighting for desegregation.

Fanfic is thought to have been in existence since at least the 1920s.

While US sanctions on Iran reinforced the importance of domestic trade and production, Rafsanjani's policies ultimately empowered the middle class.

Got impeachment? Not much. In American history, there have only been a total of 19 impeachment trials in the U.S. Senate.