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  2. Health effects of sunlight exposure - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_sunlight...

    Abundant visible light to the eyes gives health benefits through its association with the timing of melatonin synthesis, maintenance of normal and robust circadian rhythms, and reduced risk of seasonal affective disorder. [10] On the negative side, UV is a mutagen and carcinogen for skin.

  3. Effect of spaceflight on the human body - Wikipedia

    en.wikipedia.org/wiki/Effect_of_spaceflight_on...

    The effects of spaceflight on the human body are complex and largely harmful over both short and long term. [ 1] Significant adverse effects of long-term weightlessness include muscle atrophy and deterioration of the skeleton ( spaceflight osteopenia ). [ 2] Other significant effects include a slowing of cardiovascular system functions ...

  4. For Your Eyes Only (short story collection) - Wikipedia

    en.wikipedia.org/wiki/For_Your_Eyes_Only_(short...

    For Your Eyes Only is a collection of short stories by the British author Ian Fleming, featuring the fictional British Secret Service agent Commander James Bond, the eighth book to feature the character. It was first published by Jonathan Cape on 11 April 1960. It marked a change of format for Fleming, who had previously written James Bond ...

  5. Biological effects of high-energy visible light - Wikipedia

    en.wikipedia.org/wiki/Biological_effects_of_high...

    Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.

  6. I Am the Doorway - Wikipedia

    en.wikipedia.org/wiki/I_Am_the_Doorway

    Plot summary. After being exposed to an alien mutagen on a spaceflight to Venus, disabled former astronaut Arthur narrates the frightening changes he goes through. Arthur begins the narrative with his hands bandaged and complains of horrible itching both before and after the expedition. The transformation manifests as a swarm of tiny eyeballs ...

  7. Cosmic ray visual phenomena - Wikipedia

    en.wikipedia.org/wiki/Cosmic_ray_visual_phenomena

    Cosmic ray visual phenomena, or light flashes ( LF ), also known as Astronaut's Eye, are spontaneous flashes of light visually perceived by some astronauts outside the magnetosphere of the Earth, such as during the Apollo program. While LF may be the result of actual photons of visible light being sensed by the retina, [ 1] the LF discussed ...

  8. A Sound of Thunder - Wikipedia

    en.wikipedia.org/wiki/A_Sound_of_Thunder

    Influence. "A Sound of Thunder" is often credited as the origin of the term "butterfly effect", a concept of chaos theory in which the flapping of a butterfly's wings in one part of the world could create a hurricane on the opposite side of the globe. The term was actually introduced by meteorologist Edward Norton Lorenz in the 1960s.

  9. The dangers of LED face masks you should know about - AOL

    www.aol.com/lifestyle/dangers-led-face-masks...

    Palep herself was quite concerned with the dosage of the light therapy provided by the masks, as not every patient may require the same amount and duration of the treatment. "The potential dangers ...