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Portland Cement: A Concrete History With Structural Integrity
science.howstuffworks.com/innovation/inventions/portland-cement.htm
Invented in 1824, Portland cement remains prominent in modern construction. Learn about the hydraulic binder's raw materials and applications.
How Car Sharing Works
auto.howstuffworks.com/fuel-efficiency/fuel-economy/car-share.htm
The Swiss popularized car sharing after World War II. Learn why car sharing spread across the globe and how car-share companies work.
Are Teenage Brains Really Different From Adult Brains?
science.howstuffworks.com/life/inside-the-mind/human-brain/teenage-brain.htm
The teenage brain can seem like a mystery. Is that be because the teenage brain is actually different? Learn how the teenage brain processes information.
Do you really need to have a period every month?
health.howstuffworks.com/wellness/women/general/monthly-period.htm
A monthly period is how Mother Nature would have her way with women, but is a monthly period necessary? Birth control manufacturers don't think so.
Can you delay dementia?
health.howstuffworks.com/mental-health/dementia/delay-dementia.htm
Can you delay dementia? You can't prevent dementia, but you can slow its onset. Learn how to delay dementia by keeping your mind and body limber.
How Famine Works
science.howstuffworks.com/environmental/earth/geophysics/famine.htm
Famine might bring to mind historical tragedies or modern media coverage of tiny children with swollen bellies. But how does the unimaginable -- a widespread loss of food -- actually happen?
10 Questions to Ask at a Job Fair
money.howstuffworks.com/business/getting-a-job/10-questions-to-ask-at-job-fair.htm
Want to know what questions to ask at a job fair? Visit HowStuffWorks to learn what 10 questions to ask at a job fair.
Can You Name the British Movie From One Screenshot?
play.howstuffworks.com/quiz/can-you-name-the-british-movie-from-one-screenshot
God save the Queen and British cinema as well! Hollywood may dominate, but the U.K. is doing fine, shaking and not stirring drinks for James Bond and heading to Hogwarts with Harry Potter. Think you can name all of these British films? Take the quiz and see!
Can You Pass This Moon Phases Quiz?
play.howstuffworks.com/quiz/can-you-pass-this-moon-phases-quiz
We humans have always had a profound connection to the moon, but do we really know it? Test your knowledge of the various phases our little neighbor goes through, how those phases may actually impact us, all while you enjoy other fun lunar facts along the way!
How Polyphasic Sleep Works
science.howstuffworks.com/life/inside-the-mind/human-brain/polyphasic-sleep.htm
Polyphasic sleep consists of a bunch of naps throughout the day. Could you trade a continuous stretch for polyphasic sleep?