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Health effects of sunlight exposure. Exposing skin to the ultraviolet radiation in sunlight has both positive and negative health effects. On the positive side, exposure allows for the synthesis of vitamin D 3. Vitamin D has been suggested as having a wide range of positive health effects, which include strengthening bones [ 1] and possibly ...
Doctor Who is a British science fiction television programme produced by the BBC.As of 22 June 2024, 883 episodes of Doctor Who have aired. This includes one television movie and multiple specials, and encompasses 311 stories over 40 seasons, starting in 1963.
Researchers have found that molecules and microorganisms both inside and outside our bodies are going through dramatic changes, first at about age 44 and then again when we hit 60. Those ...
A quarter of hospital patients who are unresponsive and don’t physically respond to commands may be doing so mentally, a new study found. The research relied on brain scans of the patients.
The circular shape is known as a wheal response. The Mantoux test or Mendel–Mantoux test (also known as the Mantoux screening test, tuberculin sensitivity test, Pirquet test, or PPD test for purified protein derivative) is a tool for screening for tuberculosis (TB) and for tuberculosis diagnosis. It is one of the major tuberculin skin tests ...
During a separate interview with the BBC, however, the judge had a slightly more, erm, praiseful tone when discussing Raygun’s routine.Ahem: “Breaking is all about originality and bringing ...
Cosmic rays attract great interest practically, due to the damage they inflict on microelectronics and life outside the protection of an atmosphere and magnetic field, and scientifically, because the energies of the most energetic ultra-high-energy cosmic rays have been observed to approach 3 × 10 20 eV [16] (This is slightly greater than 21 ...
In astronomy, astrophysics and geophysics, a mass concentration (or mascon) is a region of a planet's or moon's crust that contains a large positive gravity anomaly. In general, the word "mascon" can be used as a noun to refer to an excess distribution of mass on or beneath the surface of an astronomical body (compared to some suitable average ...