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10 Earth Day Activities for Families
Celebrated since 1970, Earth Day is a time to honor Mother Earth and pay attention to what we're doing to her. It's also a great day to get your kids involved.
How NASA Planetary Protection Works
science.howstuffworks.com/nasa-planetary-protection.htm
What if your job were to protect life in the galaxy at all costs? Read about NASA's Planetary Protection program at HowStuffWorks.
How Dust Storms Work
science.howstuffworks.com/nature/climate-weather/storms/dust-storm.htm
Though they're outranked by other, more dangerous natural phenomena, dust storms can still do serious damage to life and property. What causes these massive storms?
Which country's people have the longest life expectancy and why?
health.howstuffworks.com/wellness/aging/aging-process/life-expectancy.htm
Life expectancy has increased by 30 years since 1900, but which country has the highest life expectancy? Learn about life expectancy in this article.
How Leisure Suits Worked
people.howstuffworks.com/leisure-suit.htm
Where did leisure suits come from? Read about where leisure suits came from at HowStuffWorks.
Are omega fatty acids important in dog food?
animals.howstuffworks.com/pets/omega-fatty-acids-dog-food.htm
Are omega fatty acids important in dog food? Find out if omega fatty acids are important in dog food.
Why Do I Get Sick So Often
science.howstuffworks.com/life/cellular-microscopic/get-sick.htm
When you get sick, your illness can be caused by several different factors. Learn why you get sick at HowStuffWorks.
How does postpartum depression affect infants?
How does postpartum depression affect infants? Visit HowStuffWorks to learn how postpartum depression affects infants.
How Israel's Iron Dome Defense System Works
science.howstuffworks.com/iron-dome-news.htm
Israel's Iron Dome defense system is capable of intercepting - and destroying - thousands of incoming rockets targeting civilian areas. Here's how the sophisticated system works.
How Long Can a Person Safely Hang Upside Down?
science.howstuffworks.com/innovation/science-questions/hang-upside-down-how-long-safe-deadly.htm
Although spending time upside down can be good for overall health, doing so eventually can be fatal under the right conditions.