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How Nuclear Medicine Works
science.howstuffworks.com/nuclear-medicine.htm
Nuclear materials get used in many forms of nuclear medicine -- everything from PET scans to chemotherapy uses them. Learn how nuclear medicine works.
How can you train honeybees to sniff for bombs?
science.howstuffworks.com/bomb-sniffing-bees.htm
Those same, buzzing insects that seek out molecular hints of the pollen they use to make honey can just as easily detect traces of materials used to bombs.
Was Major Tom a real astronaut?
entertainment.howstuffworks.com/was-major-tom-real-astronaut.htm
David Bowie is a creative musician, but did he draw his material from real life? Learn if Major Tom was a real astronaut at HowStuffWorks.
How DNA Works
science.howstuffworks.com/life/cellular-microscopic/dna.htm
DNA contains genetic material that gets passed down to each successive generation. Learn about DNA and find out what information each strand of DNA contains.
What grade of steel was used in the World Trade Center?
science.howstuffworks.com/engineering/structural/grade-of-steel-used-in-world-trade-center.htm
The materials used to build the World Trade Center's twin towers have been heavily scrutinized since the 9/11 terrorist attacks -- including the steel that formed the frames of the skyscrapers.
Are there glass cutting drill bits?
home.howstuffworks.com/are-there-glass-cutting-drill-bits.htm
You'll need different types of drill bits depending on the material in which you want to make a hole. Find out about drill bits for glass cutting in this article.
Preparing Garden Soil
home.howstuffworks.com/gardening/garden-design/preparing-garden-soil.htm
Garden soil must be the right mix of clay, silt, sand, and organic material. Learn all you need to know about preparing garden soil at HowStuffWorks.
How to Hang an Interior Door in 4 Steps
home.howstuffworks.com/home-improvement/repair/how-to-hang-an-interior-door.htm
Hanging or installing an interior door isn't terribly difficult. You probably can tackle this home improvement project in an hour or two with the necessary materials and tools. Learn more.
10 Types of Insulation
home.howstuffworks.com/home-improvement/construction/materials/10-types-of-insulation.htm
Most of us know that a house must have a well-insulated building envelope to be structurally sound. But we may not know how important this shell really is. These are 10 types of insulation that can protect your home.
How to Remove Scratches From Stainless Steel Appliances
home.howstuffworks.com/how-to-remove-scratches-from-stainless-steel-appliances.htm
Stainless steel is one of the most popular appliance materials on the market thanks to its ease of care. But what happens if you accidentally scratch your appliance? Read on to learn what to do.