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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?
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 Guide Dogs Work
animals.howstuffworks.com/animal-facts/guide-dog.htm
Guide dogs enable visually impaired people to navigate extremely complex environments. And these dogs are even smarter than you think. Find out what it takes to become a guide dog.
How Space Suits Work
science.howstuffworks.com/space-suit.htm
We are seeing a lot more space suits now that the international space station is occupied. Learn how space suits work and why they cost $12 million each!
Top 10 Weirdest Prescription Drug Side Effects
health.howstuffworks.com/medicine/medication/10-weird-prescription-drug-side-effect.htm
Prescription drug side effects are sometimes unavoidable -- there's no magic bullet for patients. But check out the weirdest prescription drug side effects.
How Cremation Works
science.howstuffworks.com/cremation.htm
First, you burn the body until only brittle, pulverized bones are left. These remains are pulverized into ashes, and then placed into urns -- or diamonds, coral reefs and even outer space.
How Aluminum Works
science.howstuffworks.com/aluminum.htm
Aluminum is used in many products, from pots and pans to light bulbs and power lines. Learn how aluminum went undiscovered for so long.
How Does a Heat Pump Work?
home.howstuffworks.com/home-improvement/heating-and-cooling/heat-pump.htm
Heat pumps use a small amount of energy to move heat from one place to another. They serve a dual purpose; they can use that heat transfer to cool a home as well. But is one right for your home?
10 Health Care Systems Around the World
people.howstuffworks.com/10-health-care-systems.htm
On our list of 10 Health Care Systems Around the World, you'll learn how other nations finance health insurance. Read about other health care systems.
How to Start Investing
money.howstuffworks.com/personal-finance/financial-planning/how-to-start-investing.htm
Wondering how to start investing? Learn about investment tools here and find out how to start investing your money.