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Is there really water on Mars?
science.howstuffworks.com/water-on-mars.htm
Photographs have recently shown that there may be water on Mars. Find out if there's water on Mars and what that could mean for life on Mars.
Identifica estos países a partir de su contorno en 7 minutos
play.howstuffworks.com/quiz/identify-these-countries-an-outline-7-minutes-sp
Ahora que disfrutamos de Google Earth, podemos aprender a identificar cualquier país fácilmente solo al ver su contorno... ¿en verdad podremos? ¡Participa en este juego para ver si conoces los países del mundo!
10 Classic Toys That Could Kill You
entertainment.howstuffworks.com/10-classic-toys-could-kill.htm
You probably know of a fun toy that also caused serious injuries, even death. Learn about 10 classic toys that could kill you at HowStuffWorks.
What Is a Flood and Why Is the Surge of Water So Dangerous?
science.howstuffworks.com/nature/natural-disasters/flood.htm
Flooding has claimed more lives than any other natural disaster. Find out how a gentle stream becomes a raging torrent.
How Coffee Works
science.howstuffworks.com/innovation/edible-innovations/coffee.htm
This stimulant drink comes from beans that are roasted and ground and, for many of us, it's a staple of life. But do you know where coffee grows and how it gets to America? How a French roast differs from an Italian roast? What a coffee cherry is? Or how decaffeinated coffee is made?
How Voyager Works
science.howstuffworks.com/voyager.htm
The Voyager program launched two unmanned probes into space. The Voyager spacecrafts captured amazing images and made incredible scientific discoveries.
How James Bond Works
entertainment.howstuffworks.com/james-bond.htm
With his dry wit and impeccable style, James Bond has been defying death in service of Queen and country for more than 50 years. Learn about his origins, allies, enemies and domination of the espionage thriller.
How Charles Darwin Worked
science.howstuffworks.com/life/genetic/charles-darwin.htm
How did Charles Darwin develop the idea of natural selection? And how did Charles Darwin and "The Origin of Species" change our thinking and our world?
How Salt Works
science.howstuffworks.com/innovation/edible-innovations/salt.htm
Not only do we need to consume salt, we also need it for a variety of nonfood uses. But if it's so important, why do health organizations recommend that we closely watch our intake? Apparently, there can be too much of a good thing. Learn what happens when we overload on salt or get too little of it.
Eve Gene: Do We All Descend From a Common Female Ancestor?
science.howstuffworks.com/life/evolution/female-ancestor.htm
A common female ancestor could be what all humans can trace their lineage to. Learn more about the common female ancestor and Mitochondrial Eve.