Trilobites: A Scaredy-Cat’s Investigation Into Why People Enjoy Fear Each person’s threshold for experiences that provoke fear, like Halloween haunted houses, is made up of a unique recipe that blends nature and nurture. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Nonfiction: Must Science Conflict With Spirituality?Water usage in US at LOWEST level since 1970 as America battles climate changeBlood Moon 2018: Can you see the July Moon in USA? How to watch lunar eclipse riseUK launches mission to clean up dangerous objects travelling at 17,500mph in SPACEThe New Health Care: I Learned I Have Sleep Apnea. It’s More Serious Than Many People Realize.Let the Stream Run Through It