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Why So Many Clinical Trials Attract So Few Participants and How That Hurts Us
A huge number of clinical trials - many of which are testing life-saving drugs - languish due to low participation levels. Why is that, and what can be done?
Can You Get More Than 11 Right on This Challenging Bible Quiz?
play.howstuffworks.com/quiz/can-you-get-more-than-11-right-on-this-challenging-bible-quiz
This Bible quiz is so hard, that we challenge you to just score 11 questions! Get more than that sacred number right, and you're destined for greatness. But first, prove your intricate understanding of the divine wisdom we present before your don the crown!
Christmas Songs
people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-songs.htm
Christmas songs range from traditional carols to fun secular music. Get lyrics and free, printable sheet music for your favorite Christmas songs here.
How Genealogy Works
people.howstuffworks.com/culture-traditions/genealogy/genealogy.htm
Building a genealogy, or family tree, can be a huge project. Learn how to research your ancestors and construct a detailed family genealogy.
How AIDS Works
science.howstuffworks.com/life/cellular-microscopic/aids.htm
HIV continues to be a major global public health issue, having claimed more than 35 million lives so far.
How Great White Sharks Work
animals.howstuffworks.com/fish/sharks/great-white.htm
The great white shark tasted fame when it played the villain in the 1975 film Jaws. Learn if the great white shark deserves its killer reputation.
How the Apollo Spacecraft Worked
science.howstuffworks.com/apollo-spacecraft.htm
The Apollo program was initiated with the goal of landing a man on the moon. What was the spacecraft that helped make this giant leap for mankind?
How Chicken Pox Works
health.howstuffworks.com/skin-care/problems/medical/chicken-pox.htm
From Beijing to Boston, chicken pox has plagued millions of children and adults. See how chicken pox works.
How Wind Power Works
science.howstuffworks.com/environmental/green-science/wind-power.htm
When air moves quickly, that motion means kinetic energy, which can be captured. Learn how the simplest possible wind-energy turbine works.
Genealogy Websites
people.howstuffworks.com/culture-traditions/genealogy/genealogy-websites.htm
Using genealogy Web sites can make your family tree project easier. Find out which online resources are best for researching your ancestors.