If you were an 18th-century settler in Australia with no knowledge of marsupials, you just might decide to call a koala a ‘bear,’ right?

BIG QUESTIONS
Earth may be the most precious place we have, but it isn't priceless. We know because one scientist did the math.
As is often the case when you look back into history, there’s more than one possible answer. But one of the leading contenders has a fairly predictable culprit: the Puritans.
Prepared horseradish and horseradish sauce aren’t the same thing.
Technically, it’s not. Connecticut’s “official nickname” is the “Constitution State.”
The moon-made-of-cheese rumor may have started with a hungry wolf and a crafty fox.
What is an Irish goodbye—and why is it called that?
Your dog’s instinct to furiously dig at their bed before falling asleep would make a lot more sense in the wild.
Some communities have ordinances banning teens from knocking on doors. But are they justified?
“10-4” isn’t any quicker than saying “OK.” But it is a storied trucker tradition.
The words ‘fall’ and ‘autumn’ appeared around the same time in Great Britain, but only one of the seasonal names is still used there today.
The idea that garlic repels vampire has been linked to some serious health problems.
To block microwave radiation, all you need is a simple screen.
Russian dressing and Thousand Island dressing are two creamy sauces that are often confused for one another. So what’s the story?
Just how many miles can you drive once your car alerts you that you're running out of gas? The answer might surprise you.
It’s often said that Barbie is 19 years old, but the answer is a little more nuanced than that.