Search Results | scratch
Your search for "scratch" returned 1,096 results
How Meth Works
science.howstuffworks.com/meth.htm
Meth, or methamphetamine, is a stimulant that can leave users toothless and paranoid. So why do so many people go after that high? Learn what meth can do.
How Plague Works
science.howstuffworks.com/life/cellular-microscopic/plague.htm
You may be familiar with the medieval "Black Plague," but did you know that bouts of plague still break out today? Find out what causes an outbreak, why plague still exists and how the plague has influenced history.
How Blackjack Works
entertainment.howstuffworks.com/blackjack.htm
Blackjack (also known as "21") is one of the most popular casino games, at least partly because the rules are easy to grasp. There's one aim: Get as close to 21 as possible. Find out the real deal here.
10 Tropical Traditions for Temperate Climates
What are some good tropical traditions that still work in temperate climates? Check out 10 tropical traditions for temperate climates at HowStuffWorks.
10 Hardest Things to Teach a Robot
science.howstuffworks.com/10-hardest-things-to-teach-robot.htm
If we're ever going to live in a world in which machines behave like people, we humans have some teaching to do. But as this writing robot attests, we're not as far away as you might think.
How Do Bacteria Reproduce?
science.howstuffworks.com/life/cellular-microscopic/bacteria.htm
Bacteria are both friend and foe to humanity. They cause and cure health problems, make rotting food stink and give sourdough its delicious taste. Find out how these countless tiny microbes accomplish all of this and more.
10 Foodborne Illnesses That Will Make You Wish You Were Dead
Many uncomfortable -- and potentially fatal -- foodborne illnesses come from the food we eat. Learn about 10 foodborne illnesses you don't want to get.
Do You Know What Movies These American Cars Are Featured In?
play.howstuffworks.com/quiz/do-you-know-what-movies-these-american-cars-are-featured-in
A movie can create a magical escape from reality, with elaborate storylines and top-notch acting. Alternatively, the acting can be garbage, but the car chases are worth watching the movie. Can you identify these movies by the cars that made them awesome?
Railroad Expansion
history.howstuffworks.com/american-history/railroad-expansion.htm
The railroad expansion of the middle and late 1800s changed America forever. Read more about the westward expansion of railroads.