Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Why do we say ‘OK’?

Of all the words in the English language, the word “OK” is pretty new:...

In Northern Ireland, Catholics and Protestants are frequently segregated, with some neighborhoods divided by barbed wire fences, reflecting deep historical conflicts...

Three years after negotiating a landmark peace agreement with the Colombian government, a top commander of the now defunct FARC guerrilla group has called for “a new stage in the armed struggle.”

In a 32-minute online video posted Aug. 29, FARC second-in-command Iván Márquez appeared with other rebels in fatigues to...

Over the past few decades, vacant and underutilized churches have become a familiar sight in American cities.

In some cases, a congregation or a religious governing body – say, a Catholic diocese – will...

Because I conduct research about reading, parents often ask me the same question: “What can I do to help my child become a better reader?”

I always give them the same advice: “Read with your children. Enjoy books together, and whatever you do, don’t worry about...

The National Hurricane Center forecast on Aug. 29 that Hurricane Dorian could make landfall this weekend and bring large amounts of rain, strong winds and potential flooding from storm surge.

Florida has declared a state of emergency and residents are preparing...

We all expect hospitals to be open and operating when we need them, but extreme weather events like hurricanes are a strain on resources and pose significant challenges for...

Examples of how human societies are changing the planet abound – from building roads and houses, clearing forests for agriculture and digging train tunnels, to shrinking the ozone layer, driving species extinct,...

When Queen Elizabeth II agreed to suspend Parliament, she gave British Prime Minister Boris Johnson what he wanted.

Opponents of Johnson’s move view it as a cynical and perhaps unconstitutional maneuver. Johnson, they say, is trying to quash...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

Why is money green? – Marek P., age 12, Dorchester, Massachusetts

We use money all the time, but have you...