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Do Bike Helmets Save Lives? Or Do They Hurt Cycling?
auto.howstuffworks.com/tech-transport/do-bike-helmets-save-lives-or-do-they-hurt-cycling.htm
First of all, I should get it out of the way and say that I always wear a helmet. Learn more about bike helmets.
Do animals have personalities?
animals.howstuffworks.com/animal-facts/do-animals-have-personalities.htm
Do animals have personalities? Pet owners would answer with a resounding yes. Find out how scientists would answer, "Do animals have personalities?"
Do ab machines work?
health.howstuffworks.com/wellness/diet-fitness/information/do-ab-machines-work.htm
Do ab machines work? Find out if you can get washboard abs with an ab machine at Discovery Health.
Why do we kill?
science.howstuffworks.com/life/inside-the-mind/emotions/why-do-we-kill.htm
Why do we kill? There's no doubt that humans are a violent species. Find out why we kill and what makes people more inclined to kill.
Why do we sleep?
health.howstuffworks.com/mental-health/sleep/basics/why-do-we-sleep.htm
Why do we sleep? Researchers have had a hard time trying to answer this question, but have a few ideas. Take a look at theories and learn why we sleep.
Why do we love?
people.howstuffworks.com/why-do-we-love.htm
Why do we love? Is there an evolutionary reason as to why we love other individuals? Find out why we love in this article from HowStuffWorks.
Why do we dream?
science.howstuffworks.com/life/inside-the-mind/human-brain/why-do-we-dream.htm
Ever wonder why we dream? The human brain can be mysterious, but take a look at what science has to say about why we dream.
Do Cats Have Periods? Not Like Humans, but Cats Do Have Cycles
animals.howstuffworks.com/pets/do-cats-have-periods.htm
If you're a pet parent with a female kitten, you may wonder: Do cats have periods? The answer is a bit complex.
How Do Eels Reproduce?
animals.howstuffworks.com/marine-life/how-do-eels-reproduce.htm
It's a slippery proposition, to be sure, but bees do it, birds do it and you can bet that eels do it too. The question is, how?
Do I Love Him?
play.howstuffworks.com/quiz/do-i-love-him2
He loves me, he loves me not. He loves me, but do I love him? Well, do you? Sometimes it's harder than it seems to figure out if you really do love someone else. Open up your heart, and let's find out if this love is real in this quiz.