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The Independent Variable vs. Dependent Variable in Research
science.howstuffworks.com/dictionary/independent-variable-vs-dependent-variable.htm
In any scientific research, there are typically two variables of interest: independent variables and dependent variables. In forming the backbone of scientific experiments, they help scientists understand relationships, predict outcomes and, in general, make sense of the factors that they're investigating.
10 Innovative Architects to Watch
science.howstuffworks.com/engineering/architecture/10-innovative-architects.htm
Move over, Gaudi, Gehry and Wright. There are some new architectural players on the scene, and they're shaping our world in unique and innovative ways.
My Kid Has a Kickstarter
money.howstuffworks.com/my-kid-has-a-kickstarter.htm
Kid entrepreneurs are actually cool now. Learn more about these kidtrepeneurs, or "treps" at HowStuffWorks Now.
What does the check engine light usually mean?
auto.howstuffworks.com/under-the-hood/diagnosing-car-problems/mechanical/check-engine-light.htm
What does the check engine light usually mean? Visit HowStuffWorks to learn what the check engine light usually means.
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.
The Most Expensive Metal in the World Isn't Gold or Platinum
science.howstuffworks.com/most-expensive-metal.htm
Precious metals are not just shiny and attractive; these elements are also incredibly valuable, often used in a wide range of industries from jewelry to high-tech applications.
14 Hardest College Majors With the Highest Attrition Rates
people.howstuffworks.com/hardest-college-majors.htm
Some college majors are years of all-nighters in disguise. The hardest college majors often demand a cocktail of grit, gray matter, and an unshakable love for complexity. Whether you're wrangling multivariable calculus or spending entire weekends on lab reports, these fields are not for the faint of heart.
'Cocaine Sharks' Make Waves Off Coast of Brazil
animals.howstuffworks.com/fish/sharks/cocaine-sharks.htm
Ever wondered what sharks might find in their waters besides fish? Turns out, some Brazilian sharpnose sharks (Rhizoprionodon lalandii) have been swimming in some rather strange seas - ones laced with cocaine.
How Thermochromic Ink Works
electronics.howstuffworks.com/gadgets/other-gadgets/thermochromic-ink.htm
Thermochromatic ink is temperature-sensitive and once rocked the '70s. Find out how thermochromatic ink works.
Why Do Sheepshead Fish Have 'Human' Teeth?
animals.howstuffworks.com/fish/sheepshead-fish.htm
The sheepshead fish is a curiosity to anglers and marine biologists alike. This unique species, found along the Atlantic coast of North America, has long received attention for its strange dental structure, resembling that of humans.