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40 Surprising and Interesting Helium Facts - Serious Facts If you want to know about noble gases, the helium atom, discovery, chemical properties and much more, check out the surprsing and interesting Helium Facts!

40 Surprising and Interesting Paraguay Facts - Serious Facts Paraguay is a country with great wonders and natural beauty; yet, it is one of the least visited in South America. Read on to learn more Paraguay Facts.

In the 1950s, the US military secretly dropped millions of mosquitoes onto populated areas of Georgia and Florida while testing the feasibility of "Entomological Warfare."

Due to a 4-year-old boy misunderstanding his mother, young children diagnosed with cystic fibrosis are taught to say "65 roses" to help them pronounce the condition.

All of the tin produced in the US is recycled. The United States has neither mined tin since 1993 nor smelted tin since 1989, but USA is the largest secondary producer, recycling nearly 14,000 tons in 2006.