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  2. 'Love Tester' mood rings recalled due to high lead levels - AOL

    www.aol.com/news/2010-09-21-love-tester-mood...

    "Love Tester" mood rings and necklaces sold over the past five years are being recalled after testing showed they contain high levels of lead, the U.S. Consumer Product Safety Commission said.

  3. Mood ring - Wikipedia

    en.wikipedia.org/wiki/Mood_ring

    The original "mood ring" introduced as the Mood Stone in the summer of 1975. A mood ring is a finger ring that contains a thermochromic element, or "mood stone", that changes colors based on the temperature of the finger of the wearer. Finger temperature, as long as the ambient temperature is relatively constant, is significantly determined by ...

  4. Thermochromism - Wikipedia

    en.wikipedia.org/wiki/Thermochromism

    A mood ring is an example of this property used in a consumer product although thermochromism also has more practical uses, such as baby bottles, which change to a different color when cool enough to drink, or kettles which change color when water is at or near boiling point.

  5. Scammers Are Targeting Your Phone. Here’s What To Watch For.

    www.aol.com/scammers-targeting-phone-watch...

    Scammers buy and sell so-called "sucker lists" — records of people who have already been scammed — and use that information to follow up with good news: They've recovered the money you lost in ...

  6. Meet the mood ring of makeup: This magic Givenchy lipstick ...

    www.aol.com/lifestyle/meet-mood-ring-makeup...

    Right now, though, QVC has this customized holy grail in stock — but in limited supply! Make this tube your go-to lip color with one full payment, or opt for five monthly, interest-free ...

  7. Thermochromic ink - Wikipedia

    en.wikipedia.org/wiki/Thermochromic_ink

    Thermochromic ink (also called thermochromatic ink) is a type of dye that changes color in response to a change in temperature. [1] [2] [3] It was first used in the 1970s in novelty toys like mood rings, but has found some practical uses in things such as thermometers, product packaging, and pens. [4]