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The science behind why our brains make us cooperate (or disagree)

Studies from neuroscience highlight how the brain both helps with and prevents collaboration.

Forced examination: How the free speech of others benefits us all

Americans say we value free speech, but recent surveys suggest we love the ideal more than practice, a division that will harm more than it protects.

5 cognitive biases that explain America's biggest foreign policy mistakes

We think of ourselves as rational beings, but our cognitive biases often mean our decisions are based on instincts and emotions. Here are five times cognitive biases pushed Americans to advance foreign policies that stood against the country’s best interests.

How America supplies the world with weapons

The United States is by far the world's largest dealer of arms, which often fall into the wrong hands.

Does Congress have the power to stop America's endless wars?

The U.S. has been in a state of continuous armed conflict since 2001, yet Congress has not declared war on a country since 1942. How have several presidents managed to keep sending troops without a declaration of war, and what does this mean for the American people?

Why the World May Be Safe with More Nuclear Weapons, Not Fewer

What's really involved in snuffing out a country’s nuclear capabilities—and is that the right war to be waging?

North Korea Is Only a Threat if the U.S. Keeps Provoking Kim Jong-un

North Korea has a long history of making bellicose threats that defy global norms. So does that mean the country's leaders are irrational, and will act irrationally?

To End Foreign Civil Wars, Should the US Intervene?

Civil wars are a particularly brutal type of conflict. Warring sides are trapped inside a single border, the fighting can last decades, and peace may not last once the fighting stops.

How Traveling Abroad Changes Your Outlook on the World for the Better

Considering that the United States remains the world's only superpower, that begs the question: How informed are Americans when it comes to their country's vast global power?