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10 Green Laundry Tips
Laundry can seem like an endless task. This article offers a few practical laundry rules for you to follow, including energy-, labor-, and product-saving tips.
Top 10 NASA Inventions
science.howstuffworks.com/innovation/inventions/top-5-nasa-inventions.htm
The men and women of NASA are an ingenious bunch, and they're not just inventing amazing things for space. Which inventions have changed our lives here on Earth?
5 Ideas for Doubling the World's Food Supply
With the world's population expanding and its arable land shrinking, how in the world are we going to have enough food to feed everyone? Here are five ways.
10 Green Lawns Without a Blade of Grass
home.howstuffworks.com/10-green-lawns-without-a-blade-of-grass.htm
Grass isn't necessary for your lawn to be green. Learn about ten green lawns without a blade of grass.
How does the sense of smell work?
health.howstuffworks.com/mental-health/human-nature/perception/question139.htm
What causes smell? When I walk into a bakery, I smell the bread. What actually has happened? Do objects give off pieces of matter? What has entered my nose to cause the sensation of smell?
Back Pain and Nerve Block
health.howstuffworks.com/diseases-conditions/pain/back/back-pain-and-nerve-block.htm
Can back pain be treated with a nerve block? Learn whether back pain can be treated with a nerve block.
Is it OK for men to wear women's fragrances?
lifestyle.howstuffworks.com/style/body-scents-fragrances/ok-for-men-to-wear-womens-fragrances.htm
Are you wondering if it's ok for men to wear women's fragrances? Learn if it's ok for men to wear women's fragrances in this article.
Elephants Eat Leftover Christmas Trees
animals.howstuffworks.com/mammals/elephants-eat-christmas-trees-berlin.htm
Zoos in Europe feed elephants leftover Christmas trees. Learn about elephants in Berlin eating Christmas trees in this HowStuffWorks article.
How Dirty Is Your Shower Head?
health.howstuffworks.com/wellness/dirty-is-shower-head.htm
Researchers have discovered abundant colonies of mycobacterium in residential shower heads. HowStuffWorks takes a looks and offers a quick fix.
Why Are People Eating Activated Charcoal?
health.howstuffworks.com/wellness/food-nutrition/facts/why-are-people-eating-activated-charcoal.htm
Activated charcoal is popping up everywhere. HowStuffWorks takes a look at the pros and cons of eating the black stuff.