Today's beds are thought of as bastions of privacy. But not long ago, they were the perches from which kings ruled and places where travelers hunkered down with complete strangers.
The 'turf war' between doctors and pharmacists we see in current debates has a long history.
The word 'OK' has only been around for 180 years, but it's become the most spoken word on the planet.
The color of American money goes back to the British colonies.
The day and a half it takes to get from New York to Singapore and back offers plenty of time to ponder the economics of ultra-long-haul flights – and wonder why we'd want to make it any longer.
From mobile phones to artificial wombs: what a breathtakingly visionary set of predictions from a century ago can teach us about our attempts to forecast the future today.
Billionaire Robert F. Smith made a big splash when he told Morehouse grads he would pay off their student debt. Yet his generosity adheres to a long African American tradition.
The USA has a long colonial history – as does Denmark. The USA has even tried to buy Greenland before. But this time, Greenland isn't Denmark's to sell.
Looking back at Lviv's Soviet past, there are clues about how to preserve history for everyone – not just the affluent.
As well as an attack on the working classes, Peterloo was also an episode of violence against women.
New research suggests people from Germany, Russia, the UK and US all think their own country was the most important in World War II.
A recent article in The Atlantic called for a "new science of progress" - this is dangerous and ignores the academic study of the history of human development.
The 2020 US election could set a record for ugliness and division. Two previous elections provide important context for what that division can mean.
Old injustices don't simply disappear with time – they tear a nation apart.
Like many great men, the legacy of Ghana's independence hero is not uncontested.
Just what is Boris Johnson, the UK's new prime minister: a liberal or conservative? A historian writing a book about Brexit, the focus of much of Johnson's career, says the man is hard to pin down.
They reflect wider concerns about the US – and its leaders.
Municipal swimming pools flourished in the 20th century. But too often, their success was based on the exclusion of African Americans.
Why the UK should follow the US lead in plans to issue an annual certificate of Hong Kong's autonomy.
White House Press Secretary Sarah Sanders is leaving her job, and two media scholars reflect on the career of the very first press secretary – a model of openness who respected news reporters.