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How a Symbiotic Relationship Works
science.howstuffworks.com/life/evolution/symbiosis.htm
Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.
How a Weather Balloon Works?
science.howstuffworks.com/nature/climate-weather/meteorological-instruments/weather-balloon.htm
Have you ever wondered how weather stations gather all of their data? Even though technology for predicting the weather has improved, simple weather balloons do a lot of the hard work every day.
How accurate is our mental image of ourselves?
science.howstuffworks.com/life/inside-the-mind/human-brain/mental-image.htm
Mental image is how you see yourself. Learn about positive and negative mental image and how to foster a healthy, accurate self-image.
How are Crayons and markers made?
science.howstuffworks.com/innovation/science-questions/question563.htm
Crayola crayons have nurtured childhood creativity and remained safely edible for over 100 years. Now learn their story- how they originated in the 19th century, how they've changed, and we'll even tell you how old that familiar label is.
How are astronomers able to measure how far away a star is?
science.howstuffworks.com/question224.htm
It turns out that measuring the distance to a star is an interesting problem! Astronomers have come up with two different techniques to estimate how far away any given star is.
How are bendy straws made?
science.howstuffworks.com/innovation/everyday-innovations/how-bendy-straws-are-made.htm
It bends to your will, it has nifty ridges, and it allows patients and little kids alike to slurp along with everyone else. How did the flexible straw begin its days?
How are conventional and unconventional warfare different?
science.howstuffworks.com/conventional-unconventional-warfare.htm
The U.S. Navy SEALs exemplify unconventional warfare. Find out how conventional and unconventional warfare differ in this article.
How are crystals made?
science.howstuffworks.com/environmental/earth/geology/how-are-crystals-made.htm
From the Hope diamond to the shiny bits in instant coffee, crystals have always held the power to fascinate us humans. Are they more than just a bunch of pretty facets?
How are fossil replicas made?
science.howstuffworks.com/environmental/earth/geology/fossil-replica.htm
Fossil replicas give scientists the chance to learn about dinosaur fossils and to display replicas for the public to see. Learn more about fossil replicas.
How are frequency and wavelength of light related?
science.howstuffworks.com/dictionary/physics-terms/frequency-wavelength-light.htm
Frequency has to do with wave speed and wavelength is a measurement of a wave's span. Learn how frequency and wavelength of light are related in this article.