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Does the Amazon Rainforest Really Produce 20 Percent of the World's Oxygen?

For years, media outlets have claimed that the Amazon rainforest is responsible for producing 20 percent of the world's oxygen. But is it true?

How Did Siri Get Its Name?

When choosing a name, it was important that it be uncommon but easy to remember and simple to pronounce.

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How Does Alberta, Canada, Stay Rat-Free?

Alberta is the only province in Canada that does not have any rats and is, in fact, the largest inhabited area on the planet that is rat-free.

What's the Difference Between an Emu and an Ostrich?

Ostriches and emus share many similar physical characteristics, but there are also distinct differences between the two flightless birds. Which makes them sort of like cousins.

If Beer and Bread Use Almost the Exact Same Ingredients, Why Isn't Bread Alcoholic?

Have you ever smelled a rising loaf of bread or, better yet, smelled the air underneath dough that has been covered while rising? It smells really boozy.

Why Are So Many Ancient Statues Missing Their Noses?

If you have ever visited a museum, you've probably noticed that many ancient sculptures are missing their noses, arms, heads, and other appendages.

IHC monogram: Wikimedia Commons // Public Domain. Background: iStock/vectortatu

Why Do People Say "Jesus H. Christ," and Where Did the "H" Come From?

Where did people get the idea that Jesus had a middle name? Well, Mark Twain has a funny story about that.

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