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Listening to Solve Problems
Lisa Miller is a mechanic and teacher who shows her auto shop students how to use their listening skills to fix cars.
Ice
There's more to polar ice than just frozen water. Learn about the many varieties of ice found at the poles and how and where they form.
Frozen Frogs
By passing the winter frozen as solid as a holiday fruit cake, the wood frog breaks all rules. Scientists hoping to preserve human organs are paying close attention.
Frog Chorus
Hear audio clips of the ambient sounds of the rain forest at night near Arecibo, Puerto Rico.
Fruitful DNA Extraction (pdf)
Think you have a lot in common with a kiwi fruit? Genetically speaking, you do.
Stem Cells
See living stem cells and find out why they are the "stem" from which all other cells develop.
Playing Fantastic Four
This card game is a little like a puzzle. You and your opponents all try to find solutions to the puzzle���and the one who finds the most solutions wins!
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