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We're six months away from the Iowa Caucus, so there's plenty of time for other Republican candidates to clarify views, but so far only Marco Rubio and Rand Paul have proven themselves articulate and knowledgeable on foreign policy.

Google is just a privatized NSA; the powerful are continuously trying to control the weak. Slavoj Žižek may have some misgivings about our brave new world, but that doesn't mean he's going to buckle beneath the weight of unnecessary fears.

Dr. Helen Blair Simpson of Columbia University Medical Center continues our series "Big Thinkers on Mental Health" with an informative crash course on the intricacies of Obsessive-Compulsive Disorder.

Artists and scientists alike strive "to figure out the deep truths of reality," explains physicist Brian Greene. The ways they pursue that goal are different, but there's no reason why two segments of society seeking answers can't work together.

The online experience is changing rapidly, explains Harvard Law professor Jonathan Zittrain, and not necessarily for the better. We should act to make sure certain norms such as web surfing persist as they are.

The single best way for businesses to remain vital is to cultivate the people that power them.

Author Stephen J. Dubner analyzes the economics of drug dealing in the most Freakonomics way possible, comparing the capitalist tendencies of Walgreens with your friendly neighborhood gang of crack dealers.

Asked what a universal superintelligent designer would be like, Bill Nye the Science Guy takes an evolutionary approach: In a way, we designed ourselves. #TuesdaysWithBill

What do the sacred scriptures of various religions say about money? How has it evolved as a means of social control since the days of Ancient Mesopotamia? Bestselling author Kabir Sehgal talks big chunks of history and even bigger chunks of change.

Big Think and the Mental Health Channel are proud to launch Big Thinkers on Mental Health, a new series dedicated to open discussion of anxiety, depression, and the many other psychological disorders that affect millions worldwide.

Ayaan Hirsi Ali, author of "Heretic: Why Islam Needs a Reformation Now," argues that Mohammed was a creative genius who, upon his death, froze innovation in Islam forever.

In comedy, as with any form of storytelling, it's refreshing to make a true personal connection with your audience. It's this lesson that's fueled the next phase of Lisa Lampanelli's career.

EPA administrator Gina McCarthy relays some of her proudest accomplishments working in the Obama administration: reducing carbon emissions, successfully pushing for more efficient vehicles, and championing renewable energy.

"Today, like it or not, we're all in sales," says Dan Pink for Big Think+. Recognizing this is the first step to mastering the essential art of persuasion.

What will the global economy look like in 2025? Dr. James Manyika runs through several likely shifts from our current situation, led by the undeniable rise of East Asia.

An anonymous viewer asks Bill whether homosexuality makes sense from an evolutionary and genetic standpoint. Bill's response? Homosexuality exists across species and none of them are dying out anytime soon.

The era of companies taking care of employees for life is over. According to tech entrepreneur Maynard Webb, the new norm allows individuals more opportunities to succeed, but requires them to control their own destinies by putting themselves first.

What will it take for the United States to overcome entrenched issues pertaining to race and socioeconomic status? According to poet and educator Clint Smith, the U.S. needs to be honest with itself about cultural myths (meritocracy, equal treatment by authorities, etc.) that don't actually exist.

Dr. Heidi Grant Halvorson talks about inaccurate perceptions, and how we view ourselves is often not how we come across to others.

Is there intelligent life out there in the universe? Theoretical physicist Brian Greene explains why that's a more complicated question that it appears.