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10 Earth Day Activities for Families
Celebrated since 1970, Earth Day is a time to honor Mother Earth and pay attention to what we're doing to her. It's also a great day to get your kids involved.
How the Living Earth Simulator Will Work
science.howstuffworks.com/environmental/earth/geophysics/living-earth-simulator.htm
You may have noticed that our planet isn't terribly predictable. Could a German polymath and an unfathomable pile of data change that?
10 Sources of Body Odor That Aren't Just Sweat
health.howstuffworks.com/skin-care/underarm-care/problems/10-sources-body-odor-not-sweat.htm
While body odor is most often caused by sweating, there are many other things that can make you smell. Find out what they are at HowStuffWorks.
Frostbite Basics
health.howstuffworks.com/skin-care/problems/medical/frostbite.htm
Frostbite can strike even in everyday cold conditions. Learn why frostbite freezes body parts and how it can help save your life.
Can You Guess the Pop Star From the Lyric?
play.howstuffworks.com/quiz/can-you-guess-the-pop-star-from-the-lyric
A catchy pop song lyric can stick in your head for days whether you like it or not. Crank up the tunes for this quiz and see if you can guess the star from the lyric!
Nazi Germany Conquers France: April 1940-December 1940
history.howstuffworks.com/world-war-ii/nazi-germany-conquers-france.htm
This World War II timeline highlights important dates from April 1940 to December 1940. Follow the events of World War II and the German invasion.
How the Machine Gun Revolutionized Warfare
science.howstuffworks.com/machine-gun.htm
The invention of the machine gun forever changed the battlefield. While soldiers once had to reload after a single shot, they now can fire hundreds of rounds per minute without a single pause.
Where Is the Hubble Telescope and How Does It Work?
science.howstuffworks.com/hubble.htm
The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.
How Aliens Work
science.howstuffworks.com/space/aliens-ufos/alien-physiology.htm
Alien life forms would probably differ from those on Earth but still adhere to certain principles. Learn about astrobiology and the search for alien life forms.
How Living Off the Grid Works
science.howstuffworks.com/environmental/green-science/living-off-the-grid.htm
Living off the grid is becoming a popular choice for those looking to reduce reliance on fossil fuels. See how you can start living off the grid.