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Top 5 Green Robots
science.howstuffworks.com/environmental/green-tech/sustainable/5-green-robots.htm
There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.
Are there secret messages in da Vinci's 'The Last Supper'?
entertainment.howstuffworks.com/arts/artwork/last-supper-theory.htm
The 'Last Supper' painting by Da Vinci has generated many hidden-meaning theories. Could these theories be real? Learn more about the 'Last Supper'.
How Cord Cars Work
auto.howstuffworks.com/cord-cars.htm
Cord entered the 1920s with a car that was a success -- the Cord Auburn -- and one that should have been -- the Cord L-29. Read more in this article.
How Trailer Wheel Hubs Work
auto.howstuffworks.com/auto-parts/towing/equipment/accessories/trailer-wheel-hubs.htm
Trailer wheel hubs play an essential role in towing anything. Learn about trailer wheel hubs at HowStuffWorks.
How could someone with relatively healthy arteries be at risk for a heart attack?
Those with healthy arteries can still have a heart attack. Learn the two big reasons why people with healthy arteries can have a heart attack.
What's the difference between deodorant and antiperspirant?
health.howstuffworks.com/skin-care/underarm-care/tips/deodorant-antiperspirant.htm
Deodorant and antiperspirant are often confused, but they both fight body odor. Learn about deodorant and antiperspirant and what, exactly, each does.
What causes rigor mortis?
health.howstuffworks.com/diseases-conditions/death-dying/rigor-mortis-cause.htm
The causes of rigor mortis stem from the way muscles move. Learn about the causes of rigor mortis and see how chemistry affects postmortem stiffness.
How Section 8 Housing Works
home.howstuffworks.com/real-estate/buying-home/section-8-housing.htm
Understanding how section 8 housing works involves a study of housing history in the U.S. Learn more about how section 8 housing works here.
St. Patrick's Day Crafts
lifestyle.howstuffworks.com/crafts/holiday-crafts/st-patricks-day-crafts.htm
St. Patrick's Day crafts include making a green leprechaun corsage and growing your own lucky sprouts. Learn about kids' crafts for St. Patrick's Day.
How to Make Paper Mobiles
lifestyle.howstuffworks.com/crafts/paper-crafts/paper-mobiles.htm
Paper mobiles are an easy, inexpensive and fun paper craft for kids of all ages. Learn more about the art of crafting inventive paper mobiles.