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What Kind of Drill Bits Do I Need for Brick or Concrete?
home.howstuffworks.com/drill-bit-brick-concrete.htm
Putting up shelves or pictures might require boring holes into brick or concrete. Learn what kind of drill bits you need for brick or concrete in this article.
What type of drill bit do I need for metal?
home.howstuffworks.com/drill-bit-metal.htm
Drill bits are made of different materials, and the type you need depends on the kind of job you need to do. Learn what type of drill bit you need for metal in this article.
Effect of Stress on the Brain
health.howstuffworks.com/wellness/stress-management/effect-of-stress-on-the-brain.htm
The effects of stress on the brain can be dangerous to your overall health. Learn more about effect of stress on the brain from Discovery Health.
Tire Size and Gear Ratio Chart
auto.howstuffworks.com/auto-parts/towing/vehicle-towing/maneuvers/gear-ratio-tire-size-chart.htm
How do you know what RPM to run if you want more power? Better towing? Better fuel efficiency. Find all the answers in this comprehensive gear ratio and tire size chart.
The Ultimate World's Greatest Roller Coasters Quiz
play.howstuffworks.com/quiz/worlds-greatest-roller-coasters-quiz
For thrill seekers a roller coaster may be the ultimate in fun. The designers of roller coasters are constantly pushing the thrill envelope. Take this quiz to learn more about the world's greatest roller coasters.
Why Humans Scream, Make Crazy Faces When Terrified
science.howstuffworks.com/life/inside-the-mind/human-brain/why-humans-scream-when-scared.htm
Wouldn't keeping quiet help us get away from whatever's scaring us? What's the science behind the weird face and raw shout?
In 1492, Spain Forced Jews to Flee the Country or Convert to Christianity
history.howstuffworks.com/historical-events/spain-forced-jews-flee-convert-christianity.htm
An edict King Ferdinand and Queen Isabella issued forced Jews to emigrate, convert to Christianity or die. Learn more at HowStufWorks.
What's the Difference Between the Fibula and Tibia?
health.howstuffworks.com/human-body/parts/fibula-and-tibia.htm
You probably remember the jingle from kindergarten...the shin bone's connected to the, wait, what bone is it?
Meet the World's Longest Sea-Crossing Bridge
science.howstuffworks.com/engineering/structural/meet-worlds-longest-sea-crossing-bridge.htm
The Hong Kong-Zhuhai-Macao Bridge is 34 miles (55 kilometers) long and connects the territories of Hong Kong and Macao to mainland China for the first time.
Hawaii Proposes Ban on Certain Sunscreens to Save Coral Reefs
Scientists have found that chemicals in some sunscreens can cause coral bleaching, prompting the Hawaii state legislature to propose an exhaustive ban on them.