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Your search for "theory" returned 1,973 results
Why Some People Faint When They See Blood
science.howstuffworks.com/life/inside-the-mind/human-brain/why-people-faint-sight-blood.htm
What's the science behind fainting at the sight of blood? This BrainStuff video takes a look at the brain's internal toggle switch making some people hit the floor.
Yes, You Can Catch Up On Your Sleep!
health.howstuffworks.com/mental-health/sleep/basics/yes-you-can-catch-up-on-sleep.htm
HowStuffWorks looks at a new study suggesting that sleeping in on the weekends is good for you.
Tulpas: Thoughts That Can Come Alive
people.howstuffworks.com/tulpas-idea-that-thoughts-can-come-alive.htm
Imaginary friends have nothing on tulpas. Stuff They Don't Want You To Know looks at this ancient idea gaining more traction in our modern world.
Wallace's Giant Bee, World's Largest, Rediscovered
animals.howstuffworks.com/insects/wallaces-giant-bee-worlds-largest-rediscovered.htm
Wallace's giant bee, the world's largest, has been rediscovered. HowStuffWorks takes a look.
Why Do We Scratch Our Heads When We're Thinking?
people.howstuffworks.com/why-do-scratch-heads-when-were-thinking.htm
Ever scratch your head when you're frustrated or thinking? HowStuffWorks found out how this tic became the signal for so many social expressions.
Would a cell phone work on a submerged submarine?
electronics.howstuffworks.com/would-a-cell-phone-work-on-a-submerged-submarine.htm
Cell phones are pretty amazing gadgets, but are they amazing enough to work underwater? Visit HowStuffWorks for the answer.
Did Benjamin Franklin really use a kite to discover electricity?
history.howstuffworks.com/history-vs-myth/did-benjamin-franklin-use-kite-to-discover-electricity.htm
Did Benjamin Franklin really discover electricity in the midst of a thunderstorm? Learn more about Ben Franklin's kite experiment at HowStuffWorks.
Is Hippo Milk Really Pink?
animals.howstuffworks.com/animal-facts/is-hippo-milk-pink.htm
The pink hippo milk myth is the ultimate lesson for those who believe everything they read on the Web.
What Does 'Bread and Circuses' Mean?
people.howstuffworks.com/bread-circuses.htm
Ever felt a pang of guilt on, say, Election Day when you skipped the voting booth to go to dinner? The 'bread and circuses' concept of being pacified by food and entertainment - and forgoing civic duty - goes back to Roman times.
Why is it considered unlucky to leave a hat on the bed?
people.howstuffworks.com/unlucky-to-leave-hat-on-bed.htm
If you're one of the clueless citizens who's laid a hat on a bed, welcome to the club. Apparently, we've all doomed ourselves to evil spirits as guests. According to this superstition, anyway.