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  2. Ionosphere - Wikipedia

    en.wikipedia.org/wiki/Ionosphere

    Relationship of the atmosphere and ionosphere. The ionosphere (/ aɪ ˈ ɒ n ə ˌ s f ɪər /) [1] [2] is the ionized part of the upper atmosphere of Earth, from about 48 km (30 mi) to 965 km (600 mi) above sea level, [3] a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar ...

  3. Human Cell Atlas - Wikipedia

    en.wikipedia.org/wiki/Human_Cell_Atlas

    Human Cell Atlas; Content; Description: The Human Cell Atlas is a global consortium that is creating detailed maps of the cells in the human body to transform understanding of health and disease. Organisms: Human: Contact; Primary citation: Regev, Aviv; et al. (Human Cell Atlas Organizing Committee) (2018). "The Human Cell Atlas White Paper".

  4. International Reference Ionosphere - Wikipedia

    en.wikipedia.org/wiki/International_Reference...

    International Reference Ionosphere (IRI) is a common permanent scientific project of the Committee on Space Research (COSPAR) and the International Union of Radio Science (URSI) started 1968/69. It is the international standard empirical model for the terrestrial ionosphere since 1999.

  5. Human skin - Wikipedia

    en.wikipedia.org/wiki/Human_skin

    The human skin is the outer covering of the body and is the largest organ of the integumentary system. The skin has up to seven layers of ectodermal tissue guarding muscles, bones, ligaments and internal organs. Human skin is similar to most of the other mammals' skin, and it is very similar to pig skin.

  6. Upper atmosphere - Wikipedia

    en.wikipedia.org/wiki/Upper_atmosphere

    Upper atmosphere is a collective term that refers to various layers of the atmosphere of the Earth above the troposphere [1] and corresponding regions of the atmospheres of other planets, and includes:

  7. High-frequency Active Auroral Research Program - Wikipedia

    en.wikipedia.org/wiki/High-frequency_Active...

    The High-frequency Active Auroral Research Program (HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere. The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...

  8. Robot face with lab-grown living skin created by scientists ...

    www.aol.com/robot-face-lab-grown-living...

    The skin was made in a lab at the University of Tokyo from a mixture of human skin cells grown on a collagen model and placed on top of a 3D-printed resin base, the New Scientist reported.

  9. Atmosphere of Earth - Wikipedia

    en.wikipedia.org/wiki/Atmosphere_of_Earth

    The ionosphere is a region of the atmosphere that is ionized by solar radiation. It is responsible for auroras. During daytime hours, it stretches from 50 to 1,000 km (31 to 621 mi; 160,000 to 3,280,000 ft) and includes the mesosphere, thermosphere, and parts of the exosphere.