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What's a prehistoric toolkit and how could it rewrite human history?
science.howstuffworks.com/life/evolution/prehistoric-toolkit.htm
A prehistoric toolkit is a set of tools that early humans utilized. Learn about a prehistoric toolkit in this article from HowStuffWorks.
What are low-water washing machines?
home.howstuffworks.com/low-water-washing-machines.htm
What are low-water washing machines? Visit TLC Home to learn about low-water washing machines.
Could Planting 1 Trillion Trees Counteract Climate Change?
science.howstuffworks.com/environmental/conservation/issues/planting-trillion-trees.htm
Many scientists say that the response to climate change will require planting new trees. A whole lot of them.
Flying High: The Aircraft Quiz
play.howstuffworks.com/quiz/aircraft-quiz
Manned flight has altered the course of humanity. How much do you know about the aircraft of the world? Take this quiz to find out.
Can You Pass a Basic Chemistry Test?
play.howstuffworks.com/quiz/can-you-pass-basic-chemistry-test
Do you know the periodic table from Argon to Zirconium? Test your chemistry knowledge with this basic quiz! It'll be a gas!
5th-Grade General Knowledge Quiz
play.howstuffworks.com/quiz/5thgrade-general-knowledge-quiz
Were you a whiz kid at school? How much do you remember from your days in 5th grade? Test your knowledge of 5th grade facts with this simple math, science, English, and history quiz!
Oven Questions
recipes.howstuffworks.com/tools-and-techniques/oven-questions.htm
This article answers oven questions, such as how to check oven temperature, how a convection oven differs from a conventional oven, and more.
Should you buy a reel mower?
home.howstuffworks.com/buy-reel-mower.htm
As people have become increasingly environmentally conscious, the eco-friendly reel mower has once again become popular. You can learn more about the reel mower from this article.
How to Breed Ring-neck Snakes
animals.howstuffworks.com/snakes/how-to-breed-ring-neck-snakes.htm
How to breed Ring-neck Snakes. Visit HowStuffWorks to learn how to breed Ring-neck Snakes.
How to Find Your IRS Refund Status
money.howstuffworks.com/personal-finance/personal-income-taxes/how-to-find-irs-refund-status.htm
Do you know how to find your IRS refund status? Find out how to find you IRS refund status in this article from HowStuffWorks.