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 flocks of birds swoop and swirl together in the sky? – Artie W., age 9, Astoria,...

Have you ever felt a creeping sensation that someone’s watching you? Then you turn around and you don’t see anything out of the ordinary. Depending on where you were, though, you might not have been completely imagining it. There...

The United Nations has warned that the war in Ukraine could create “the biggest refugee crisis this century.” Two and a half...

As clocks march ahead and daylight saving time begins, there can be anxiety around losing an hour of sleep and how to adjust to this change.

Usually an hour seems like an insignificant amount of time, but even this minimal loss can cause problems. There can be significa...

“People ask me what I do in winter when there’s no baseball,” second baseman Rogers Hornsby once said. “I’ll tell you what I do. I stare out the window and...

On March 17, the world celebrates the feast day of St. Patrick, a zealous British bishop of the fifth century who became famous for spreading Christianity in Ireland. Patrick is Ireland’s main patron saint.

But as a medie...

The world is in the grip of an oil price shock. In just a few months, prices have risen from US$65 a barrel to over $130, causing fuel costs to surge, inflationary pressure to rise and consumer tempers to flare. Even before Russia’s invasion of...

Francis Fukuyama, the American political scientist who once described the collapse of the Soviet Union as the “end of history,” suggested that Russia’s invasion of Ukraine might be called “the end of the end of...

As Russia continues to target houses, apartment buildings, hospitalsand civilians in Ukraine, there are mounting calls from international aid groups to safely evacuate and protect Ukrainians caught in the war.

Simultaneously, rising numbers of people still in Ukraine are in desperate need of food, medical supplies, water and other lifesaving...

President Vladimir Putin of Russia loves shows of machismo. He constantly pumps up his swagger. He is wont to disparage women. And he has repeatedly appeared on the public stage bare-cheste...