There's new evidence that depression is not just a disorder of the mind.
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Questioning everything with a hopeful skeptic
Guy P. Harrison
Should the outside world share at least some knowledge of prehistory, history, and science with secluded pockets of humanity?
What if I were to suggest that viruses run this planet? Would you believe me?
Want to be more creative? Start walking like a caveman.
The great contradiction in the gun debate that no one is talking about.
These seven keys to good thinking will serve you well over your lifetime.
You will never be at your intellectual best without paying attention to this Dirty Dozen of cognitive traps.
Donald Trump is not the problem. He's a symptom of the problem.
If "cult" is a sleazy, illogical slur word, why does everyone use it?
America is again focusing on its race problem and, once again, ignoring the past
What do you say to people who claim nobody ever walked on the Moon?
We all have a natural weakness for authority figures. To be safer, question everything and think twice before following orders.
Explore the rational and irrational sides of doomsday.
Homeopathic products are popular these days. What does a doctor say about them?
It takes more than a high IQ and an impressive education to be a good critical thinker.
"The Martian" talks space and story telling.
Billions of human brains are infected with a bizarre cat parasite that seems to influence our personality and behavior. Could they be altering the course of human history as well?
We are a god-creating species. It is inaccurate, confusing, and dishonest to frame general belief discussions in the context of only one god.
Change. Grow. Improve. Think and be fully human.
Are religions out of bounds? Academy Award winner Ben Affleck and neuoscientist Sam Harris clash over Islam on HBO's Real Time. Here's what you need to know.
Even during times of global economic hardships, alternative medicine believers spend vast sums of money on products that almost certainly do not work. Why?
Twelve books that will help you become a scientific-thinking, hominid-loving, space-literate, creative skeptic with a fit body and brain in 2014!
Biological race categories are inconsistent, illogical, and unscientific. Here are four simple concepts to keep in mind and share with others when talking about race.
Are you ready to confront the world's great unrecognized crisis?
Guy P. Harrison is the author of Think: Why You Should Question Everything.