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  2. Humidifier - Wikipedia

    en.wikipedia.org/wiki/Humidifier

    Humidifier. A humidifier is a household appliance or device designed to increase the moisture level in the air within a room or an enclosed space. It achieves this by emitting water droplets or steam into the surrounding air, thereby raising the humidity. Humidifier in an art museum in Augsburg, Germany.

  3. Ultrasound - Wikipedia

    en.wikipedia.org/wiki/Ultrasound

    Ultrasound. An ultrasonic examination. Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The physical principles of acoustic waves apply to any frequency range, including ultrasound. Ultrasonic devices operate with frequencies from ...

  4. Can Walking Really Keep You Fit? We Tapped Experts for Answers

    www.aol.com/walking-really-keep-fit-tapped...

    8 Benefits Of Walking. Elevate your mood. “Walking and taking deep breaths is a great way to slow your nervous system and get into a relaxed state,” says Felton. “It allows you to get ...

  5. Central pattern generator - Wikipedia

    en.wikipedia.org/wiki/Central_pattern_generator

    Central pattern generator. Central pattern generators (CPGs) are self-organizing biological neural circuits [1][2] that produce rhythmic outputs in the absence of rhythmic input. [3][4][5] They are the source of the tightly-coupled patterns of neural activity that drive rhythmic and stereotyped motor behaviors like walking, swimming, breathing ...

  6. Signs and Symptoms of Osteosarcoma - AOL

    www.aol.com/lifestyle/signs-symptoms-osteo...

    Spreading to the lungs may result in respiratory symptoms such as coughing or shortness of breath. Osteosarcoma also commonly spreads to other bones or other parts of the same bone as the original ...

  7. Fracking is being forced onto some Ohio property owners' land ...

    www.aol.com/fracking-being-forced-onto-ohio...

    This leaves a population of dissenting or "non-participatory" landowners forced into fracking in the area, even if it's not on their property. Unitization has been legal in Ohio since 1965 ...