We all contain contradictions. It's part of what makes us human.

Walt Whitman wrote, in "Song of Myself":

"Do I contradict myself?
Very well then I contradict myself,
(I am large, I contain multitudes.)"

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Why is gun control such a tricky issue? This smart metaphor sums it up.

Right now, we live in a country where it's estimated there may be more guns than people.

The southeast Asian nation of Indonesia doesn’t just stretch across some 17,000 islands. It also straddles multiple tectonic plates.

Indonesia is home to more active volcanoes than any other country in the world — around 130 of them, in fact. Since 1900, nearly 20,000 people have been killed by volcanos in the area around Indonesia.

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15 photos that prove Earth is far stranger than any science fiction.

Did you know that when scientists wanted to test the Mars rover, they went to Chile? It turns out there are a lot of places on Earth that are totally out of this world.

1. The Atacama Desert in South America is so dry, NASA has used it to test Mars rovers.

It even has a reddish surface. Image from ESO/Wikimedia Commons.

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