The Richter Magnitude Scale
Seismic waves are the vibrations from earthquakes that travel through the Earth; they are recorded on instruments called seismographs. Seismographs record a zig-zag trace that shows the varying amplitude of ground oscillations beneath the instrument. Sensitive…
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Chemistry
Carbon Dating
As isotopes break down, or decay they give off radiation. Materials that decompose in this way are said to…
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How Much Water in an Inch of Snow?
If the snowfall amounts were translated into equivalent volumes of water - then how much water would that be?…
Biology
Hey Nose-Brain!
Sex, food, and smell are linked in our brain by ancient pathways governing appetite, odor detection, and…
Biology
Now You See It, Now You Don't
What we call light is simply a narrow band of electromagnetic radiation that our eyes are sensitive to. This…