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Prokaryotic vs. Eukaryotic Cells: What's the Difference?
science.howstuffworks.com/life/cellular-microscopic/prokaryotic-vs-eukaryotic-cells.htm
Prokaryotic cells are like single-room efficiency apartments while eukaryotic cells are like mansions with many rooms - and they are the only two kinds of cells in the world.
What Do the Numbers on Those Tiny Produce Stickers Tell Us?
money.howstuffworks.com/numbers-produce-stickers.htm
When you buy most fruits and vegetables in a supermarket, you might see that they're individually tagged with a sticker and a bar code. There's a lot of information in that four-digit code!
Can You Match These Science Words to the Right Definition?
play.howstuffworks.com/quiz/can-you-match-these-science-words-to-the-right-definition
If you thought math was hard, you should see what science has to offer. Those who know a few Latin words will ace this quiz. For everyone else, let's see if you can get a few of them right.
Where is the Earth's carbon stored?
science.howstuffworks.com/environmental/green-science/earth-carbon-stored.htm
No one would blame you if you're sick of hearing about carbon. Every day it seems there are news stories about rising carbon levels, carbon emissions and even the search for new carbon-based life forms
How to Volunteer to Help Disabled Veterans
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-to-help-disabled-veterans.htm
Would you like to volunteer to help disabled veterans? Visit HowStuffWorks to learn how to volunteer to help disabled veterans.
How to Volunteer for the YMCA
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-ymca.htm
It's easy to volunteer at the YMCA and there are many ways you can help. Read about volunteering with the YMCA in this article.
10 Best Volunteer Activities in Retirement
What are some best volunteer activities in retirement? Learn about 10 Best Volunteer Activities in Retirement at HowStuffWorks.
What is the origin of life on Earth?
science.howstuffworks.com/life/evolution/origin-of-life-on-earth.htm
What is the origin of life on Earth? Learn about theories of evolution and the origin of life on Earth at HowStuffWorks.
How Volunteer Opportunities for Kids Work
money.howstuffworks.com/economics/volunteer/opportunities/volunteer-opportunities-for-kids.htm
Volunteer opportunities for kids are a great way to teach them selflessness. Learn all about volunteer opportunities for kids at HowStuffWorks.
Infectious Diseases 101
health.howstuffworks.com/diseases-conditions/infectious/how-infectious-diseases-work.htm
Infectious diseases are caused by microorganisms, and your body is constantly dealing with them. Learn more about infectious diseases and how to prevent them.