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How does your computer know how much ink is left in the cartridge?
computer.howstuffworks.com/computer-ink-cartridge.htm
When your computer issues a low ink warning, do you find ways to keep printing until it's bone-dry? Find out how your computer calculates ink level.
What Is the Most Dangerous Animal in the World?
animals.howstuffworks.com/animal-facts/worlds-most-dangerous-animal.htm
It's hard to say what is the most dangerous animal in the world; you're not comparing apples to apples. But when it comes dangerous, these four top the list.
Do You Need to Have a Positive Attitude to Beat Cancer?
health.howstuffworks.com/diseases-conditions/cancer/facts/positive-attitude-cancer.htm
Friends often tell cancer patients to "stay positive" in order to beat the disease. But is there any scientific proof that positivity helps with cancer survival?
Do These Nightmare Parasites Hack Snail Brains to Survive?
animals.howstuffworks.com/insects/parasitic-worms-snails.htm
This parasitic worm invades a snail's eyestalks, where it pulsates to imitate a caterpillar, attracting the ultimate target, a bird.
Can You Pass This Dog Trivia Quiz?
play.howstuffworks.com/quiz/can-you-pass-this-dog-trivia-quiz
We know you love dogs, but can you pass a trivia quiz devoted to them? Answer our questions correctly, and you will get to consider yourself a dog expert when you're done. Can you do it, or will it be a total woof?
Can You Pass This Master Electrician Quiz?
play.howstuffworks.com/quiz/can-you-pass-this-master-electrician-quiz
Electricity has fascinated humans since we first saw lightning in the skies! How much do you know about working with this amazing, powerful and dangerous phenomenon? Find out now!
How Living in Total Darkness Sabotages Your Sleep
health.howstuffworks.com/mental-health/sleep/disorders/darkness-sabotages-sleep.htm
Imagine being trapped in a cave or some other place where you were in total darkness. Would you know when to sleep and wake? And how would that throw off your body clock?
Meet the Man Who Invented Cool Whip, Tang and Pop Rocks
science.howstuffworks.com/innovation/famous-inventors/meet-man-invented-cool-whip-tang.htm
The 20th century would have been very different without the contributions of General Foods chemist William A. Mitchell, who tapped into the American appetite for convenience and novelty.
14 Hardest College Majors With the Highest Attrition Rates
people.howstuffworks.com/hardest-college-majors.htm
Some college majors are years of all-nighters in disguise. The hardest college majors often demand a cocktail of grit, gray matter, and an unshakable love for complexity. Whether you're wrangling multivariable calculus or spending entire weekends on lab reports, these fields are not for the faint of heart.
How E-voting Works
people.howstuffworks.com/e-voting.htm
E-voting lets votes be cast and tabulated electronically. Learn about e-voting systems, e-voting concerns like voter fraud and voting over the internet.