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Ask an Expert: Helium
Find out what effects inhaling helium can have on your health.http://www.netwellness.org/question.cfm/27844.htm
Helium
Check out this student report about helium to learn its uses, history, interesting facts, and more.http://www.mvschools.org/ms/projects/html/black/helium.htm
Helium - Chem4Kids
Learn about the second element of the periodic table.http://www.chem4kids.com/files/elements/002_speak.html
Scientific American: Why does inhaling helium make one's voice sound strange?
Find out how helium can change a person's voice.http://www.sciam.com/print_version.cfm?articleID=00019CE4-A2A6-10C8-A2A683414B7F...
Why does inhaling helium cause you to talk funny?
Read this explanation of why helium make your voice sound funny.http://www.pa.msu.edu/~sciencet/ask_st/052792.html
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