Search Results | perform
Your search for "perform" returned 5,346 results
Why do you have two lungs but only one heart?
health.howstuffworks.com/human-body/systems/circulatory/two-lungs-one-heart.htm
The two lungs-one heart system evolved because that was all we needed to survive. Learn more about the evolution of the two lungs-one heart system.
Intricate Ice Caves in Antarctica May Harbor Unique Life
On the surface, Antarctica may seem like a barren landscape. But underneath, in massive ice caves, life may be abundant.
Modern Armored Warfare: The Tanks Quiz
play.howstuffworks.com/quiz/tanks-quiz
If you're heading into battle, there are worse places to be than behind five inches of steel with a massive gun on a turret to discourage your enemies. See how much you know about armored warfare with this quiz on tanks from WWI to the present day.
How Speed Limiters Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/speed-limiter.htm
You can probably guess what a speed limiter does by its name alone. But how do speed limiters actually work, and why would you want one?
How Does a Positive Crankcase Ventilation (PCV) System Work?
auto.howstuffworks.com/positive-crankcase-ventilation-system.htm
How does a positive crankcase ventilation (PCV) system work? Read about PCV systems and how they keep your car running at HowStuffWorks.
The Yellow Anaconda Can Form Days-long 'Breeding Balls'
animals.howstuffworks.com/snakes/yellow-anaconda.htm
The yellow anaconda isn't the only snake species to form breeding balls for mating privileges, but it will engage in the ritual for several hours or even days.
Do most gas-saving devices really work?
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/gas-saving-devices-work.htm
Do most gas-saving devices really work? Read about gas-saving devices and if any of them are truly effective.
5 Reasons to Get Your Stomach Pumped
health.howstuffworks.com/medicine/5-reasons-to-get-your-stomach-pumped.htm
There are some important reasons to get your stomach pumped. See the top five reasons to get your stomach pumped at HowStuffWorks to learn more.
Can You Pass a Train Conductor Exam?
play.howstuffworks.com/quiz/can-you-pass-a-train-conductor-exam-
Everyone on board, as we are going to test your knowledge and see if you can pass the train conductor exam! Do you have what it takes to do the locomotion?
A Very Brady Quiz: Do You Remember Your Favorite TV Family?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-brady-bunch
The Brady's were America's favorite family in the '70s and have been immortalized throughout the last four decades. Whether you had a crush on Marcia or wanted to hang with Greg, there's a good chance you spent much of your childhood immersed in the Brady's antics. Take this quiz to see how much you remember!