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    How do trick birthday candles work?

    Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular... Read more

    February 5, 2016 | 4 min

    What's that bumpy stuff on my ceiling?

    That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from to find out what... Read more

    February 3, 2016 | 1 min

    How do nail penny measurements work?

    Nails are measured by a unit called a penny. This podcast from explains what the penny designation means -- and where it comes from. Read more

    February 1, 2016 | 1 min

    How do artificial flavors work?

    Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artif... Read more

    January 29, 2016 | 2 min

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