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Why does beer form a head but soda doesn't?
science.howstuffworks.com/innovation/edible-innovations/beer-form-head-not-soda.htm
A quickly poured beer or soda can create a layer of foam -- also known as a "head" -- toward the top of the glass. But while a soda head rapidly disappears, a beer head lingers even after you've begun to drink the beer. How can this be possible?
Is what's in my belly button really lint?
health.howstuffworks.com/human-body/parts/is-whats-in-my-belly-button-lint.htm
Scientists have taken on the job of evaluating the debris found in the human belly button. Learn more about belly button lint at HowStuffWorks.
Do bats jam each other's sonar?
animals.howstuffworks.com/mammals/do-bats-jam-each-others-sonar.htm
Do bats jam another bat's sonar to throw them off track? Find out and learn about bat sonar at HowStuffWorks.
Will we ever cure cancer?
health.howstuffworks.com/diseases-conditions/cancer/facts/will-we-ever-cure-cancer.htm
Finding a cure for cancer would help millions of people and solve one the biggest medical problems of the modern age. Find out if we can cure cancer.
Physicists Make a Splash With a Urinal That Doesn't
science.howstuffworks.com/splashless-urinal.htm
Splish-splash is not the sound you want to hear when you're standing in front of a urinal. A new design is being touted as the answer to the splashless pee.
How the ACT Works
money.howstuffworks.com/personal-finance/college-planning/act.htm
The ACT is one of two major standardized tests given to high school students each year. Learn about the ACT in this article from HowStuffWorks.
10 Superhero Powers of the Animal Kingdom
animals.howstuffworks.com/animal-facts/10-animal-superpowers.htm
The animal kingdom is full of superheroes and superpowers. Read about 10 of the coolest superhero powers in the animal kingdom at HowStuffWorks.
10 Black Scientists You Should Know
science.howstuffworks.com/innovation/scientific-experiments/10-black-scientists.htm
You might have heard of George Washington Carver and Neil deGrasse Tyson. But what about Patricia Bath? Or Percy Julian? Meet 10 African American scientists who have made the world a better place for everyone.
10 Surprisingly Believable Bits of Malarkey
science.howstuffworks.com/science-vs-myth/everyday-myths/10-believable-bits-of-malarkey.htm
Some malarkey is so believable that it's turned many of us into inadvertent purveyors of hogwash. What are 10 bits of malarkey that tend to slip through the "hey, wait a minute" filter?
How the Uncanny Valley Works
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/uncanny-valley.htm
When a super-realistic android or video character gives us a creepy feeling, it enters the uncanny valley. Why do we get spooked, and what can we do to avoid it?