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Is spinach really a good source of iron or not?
science.howstuffworks.com/innovation/edible-innovations/spinach-good-source-of-iron.htm
Comic book character Popeye is synonymous with being strong thanks to all the iron in the spinach he eats. But lately, there's been some talk that spinach is not all that good a source of iron and, in fact, it got the claim by error.
How Asteroid Belts Work
science.howstuffworks.com/asteroid-belt.htm
Asteroid belts may tell us how our very solar system came into existence. Learn all about asteroid belts, from their characteristics to what they can teach us.
How Military Flyovers Work
science.howstuffworks.com/military-flyover.htm
Military flyovers are explained in this article. Learn about military flyovers.
Can you really scare someone to death?
science.howstuffworks.com/life/scared-to-death.htm
Scared to death -- is this an actual cause of death or a myth perpetrated by mothers? Let's take a look at whether you can really be scared to death.
George Washington Carver: An Innovator Beyond His Era
science.howstuffworks.com/innovation/famous-inventors/george-washington-carvers-inventions.htm
Few famous Americans enjoy a status as mythic as that of George Washington Carver, a man whose life as a botanist, agronomist, chemist and inventor earned him a lasting legacy. Carver's work is considered instrumental in changing Southern approaches to agriculture.
How Porta-Potties Work
science.howstuffworks.com/innovation/everyday-innovations/porta-potties.htm
Using a portable toilet at an outdoor concert or festival might be disgusting. But it sure beats going in a field! Now, imagine if your job were to clean out those suckers.
How Plasma Rockets Work
science.howstuffworks.com/plasma-rockets.htm
Imagine if we could get to Mars in 40 days instead of seven months! It could happen if we used plasma rockets, which travel at 34 miles per second. But how do we make this a reality?
How Tear Gas Works
science.howstuffworks.com/tear-gas.htm
It may make you run. It may make you throw up. It will definitely make you cry. It's tear gas, and it's no fun to be hit with.
What would nuclear winter be like?
science.howstuffworks.com/nuclear-winter.htm
If the sight of a mushroom cloud burning above the horizon suggests that the nuclear weapon-equipped world might end with a bang, then nuclear winter presents the notion that post-World War III humanity might very well die with a whimper.
How Gliders Work
science.howstuffworks.com/transport/flight/modern/glider.htm
Flying in a glider is about as close as you can get to soaring like a bird. Amazingly, these graceful machines manage their maneuvers without an engine. Learn how gliders fly without power.