Is crossing your eyes really bad for you? Short answer: You're fine, don't worry. No, your eyes won't get stuck if you cross them for a joke every once in a while. Breakthroughs, discoveries, and DIY tips sent every weekday. When your mom told you to stop crossing your eyes as a kid or they'd stay stuck that way, was she right?

Why are most people right-handed? A mix of biology, environment, and evolution helps explain our rightie-dominated world. Around 85 to 90 percent of people are right-handed. Breakthroughs, discoveries, and DIY tips sent every weekday. Roughly 85 to 90 percent of people are right-handed, while just 10 to 15 percent are left-handed, and a small percentage are ambidextrous.

Why you'see' things in the dark, according to an ophthalmologist Science explains why we see flickers of light and patterns in the darkness. Our eyes sometimes really do play tricks on us at night. Breakthroughs, discoveries, and DIY tips sent every weekday. In 1999, Daniel Myrick and Eduardo Sánchez shot one of the definitive horror films of the era on a budget of roughly $60,000. is a study in omission, in the conspicuous absence of the visual effects characteristic to the genre. In lieu of baroque prosthetic gore and over-the-top CGI effects, the movie leans into silence and darkness for much of its 81-minute run time.

What makes a place seem'haunted'? Psychology, setting, and the power of suggestion all help make certain places feel more spooky. From the ghost of Al Capone to the crying Lady in Green, many otherworldly entities are said to populate Alcatraz Island. Breakthroughs, discoveries, and DIY tips sent every weekday. With its long history of incarceration, brutal conditions, and several grisly murders, the stories of hauntings on Alcatraz Island are a dime a dozen.

Amazon Prime Day is live. See the best deals HERE. What are ultra-processed foods and are they bad for me? From frozen pizza to lactose-free milk, food processing takes many forms. Here's how to tell when it's helping or hurting us.

How to buy what people leave at airport security. Welcome to very weird corner of the internet. Transportation agent Johnny Smith holds up two swords surrendered by passengers traveling through Los Angeles International Airport. Breakthroughs, discoveries, and DIY tips sent every weekday. A decade ago, a woman famously downed an entire bottle of Rémy Martin XO Excellence rather than surrender it to airport security.