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Can You Answer All of These Questions an Electrician Should Know?
play.howstuffworks.com/quiz/can-you-answer-all-of-these-questions-an-electrician-should-know
Are you an electrician, or thinking about becoming one? Do you know all there is to know about fuses, circuits, currents and more? If so, challenge yourself against our quiz on all things electrician!
How do a zebra's stripes act as camouflage?
animals.howstuffworks.com/mammals/question454.htm
I've heard that the black and white stripes on a zebra provide camouflage. How can this be if they're not in a black-and-white environment?
How will population growth affect energy?
science.howstuffworks.com/environmental/energy/population-growth-affect-energy.htm
The world is growing at an amazing rate. Currently, the Earth's population is growing by 60,000 people every eight hours -- that's two children born every second somewhere around the globe.
Top 6 Innovations in Solar Power
science.howstuffworks.com/environmental/energy/6-innovations-solar-power.htm
Our energy systems are in need of a serious tuneup, for a number of reasons. Keep reading to learn about the Top 6 Innovations in Solar Power.
Study Says 2035 Is Climate Change Point of No Return
After 2035 it will be extremely unlikely we can stop Earth's temperature from rising enough to kick off a dangerous medley of global disasters.
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 Creationism Works
people.howstuffworks.com/creationism.htm
The public debate between Christian creationism and evolution has heated up once again in the United States. Learn about the different forms of Christian creationism and find out what's fueling the controversy.
5 Ways to Use Algae for Fuel
auto.howstuffworks.com/fuel-efficiency/biofuels/5-ways-use-algae-fuel.htm
Could we use algae for fuel? Keep reading to discover 5 Ways to Use Algae for Fuel.
What are natural gas generators?
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/natural-gas-generator.htm
What are natural gas generators? Keep reading to learn about natural gas generators and how they are used.
What's the difference between a mammoth and a mastodon?
animals.howstuffworks.com/extinct-animals/difference-between-mammoth-mastodon.htm
Mammoths and mastodons have a few significant differences. Learn more about the difference between the prehistoric animals at HowStuffWorks.