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Can You Get a Perfect Score on This Optical Illusions Quiz?
play.howstuffworks.com/quiz/can-you-get-a-perfect-score-this-optical-illusions-quiz
The question is, can we trick your eyes to believe that the size of an object is different than it is? We'll be transparent -- we'll fool you with illusions, weird perspectives and horizon lines. Think you can get all of them right? Then start now.
Can California Save Today's Rain for Future Droughts?
science.howstuffworks.com/nature/climate-weather/atmospheric/save-rain-future-droughts.htm
California has experienced unprecedented rain lately, but the state is still in a drought. So why can't the rain falling now be saved for later?
Why Do Black Holes Twinkle?
science.howstuffworks.com/why-do-black-holes-twinkle.htm
Researchers at Australian National University studied 5,000 star-eating behemoths to find out.
Empty Pill Bottles Piling Up? Here Are 15 Great Ways to Reuse Them
home.howstuffworks.com/green-living/uses-old-pill-bottles.htm
Wondering what to do with those plastic pill bottles your prescriptions come in? Here are 15 great ways to reuse them and keep them out of the landfill.
Why Do Liminal Spaces Feel So Unsettling, Yet So Familiar?
science.howstuffworks.com/engineering/architecture/liminal-spaces
Liminal spaces, like empty corridors or abandoned malls, can seem eerie and mysterious, yet compelling. Why do they have that effect on us?
What Are Muscle 'Knots' and How Do You Get Rid of Them?
health.howstuffworks.com/human-body/systems/musculoskeletal/muscle-knots.htm
Surely you've had a knot in your neck at some point. But your muscles really aren't tied in knots. Or are they?
The Spicy History of Chai and How to Make It
recipes.howstuffworks.com/chai.htm
You may know chai as a sweet and spicy Starbucks favorite, but the roots of this tea blend lie in the heart of the Indian subcontinent. So, how do you make it?
How the Endocrine System Works
health.howstuffworks.com/human-body/systems/endocrine/endocrine-system-ga.htm
The endocrine system comprises a number of glands that produce hormones with a varied array of vital functions. Hormones control or regulate the development or function of structures throughout the body.
Is a lack of sleep making me fat?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep-obesity.htm
With an ever-increasing number of studies finding a direct connection between sleep deprivation and weight gain, it's difficult to deny the cause-and-effect relationship.
Am I Cold-Blooded?
play.howstuffworks.com/quiz/am-i-coldblooded
We all like to think that we're nice people, but some of us are definitely nicer than others. If you want to find out whether you're secretly Mr. Rogers or whether you're secretly Regina George, this quiz will tell you the truth!