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  2. Your immune system needs all the help it can get. Why you ...

    www.aol.com/news/immune-system-needs-help-why...

    A glass of 100% orange juice is considered one serving of fruit It’s a common misconception that orange juice is packed with sugar, but an 8-ounce glass of 100% OJ that is made from just oranges ...

  3. Adaptation (eye) - Wikipedia

    en.wikipedia.org/wiki/Adaptation_(eye)

    The human eye can function from very dark to very bright levels of light; its sensing capabilities reach across nine orders of magnitude. This means that the brightest and the darkest light signal that the eye can sense are a factor of roughly 1,000,000,000 apart. However, in any given moment of time, the eye can only sense a contrast ratio of ...

  4. Citrus × sinensis - Wikipedia

    en.wikipedia.org/wiki/Citrus_×_sinensis

    Citrus × sinensis (sometimes written Citrus sinensis), a hybrid between pomelo (Citrus maxima) and mandarin (Citrus reticulata), also known as the Malta fruit, is a commonly cultivated species of orange that includes Valencia oranges, blood oranges and navel oranges.

  5. Carotenosis - Wikipedia

    en.wikipedia.org/wiki/Carotenosis

    Carotenosis is a benign and reversible medical condition where an excess of dietary carotenoids results in orange discoloration of the outermost skin layer. The discoloration is most easily observed in light-skinned people and may be mistaken for jaundice .

  6. Health effects of sunlight exposure - Wikipedia

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

    Light to the eyes, primarily blue-wavelength light, is important for the entrainment and maintenance of robust circadian rhythms. Exposure to sunlight in the morning is particularly effective; it leads to earlier melatonin onset in the evening and makes it easier to fall asleep. Natural daylight exposure, particularly at high intensities, has ...

  7. China is more in love with its pandas than ever. That’s ...

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    Restoring panda habitat. Habitat loss and fragmentation remain the biggest threat to wild pandas. By the early 2010s, some of China’s most prominent panda experts had warned that the success in ...

  8. Infant visual development - Wikipedia

    en.wikipedia.org/wiki/Infant_visual_development

    In regards to pupil dimensions, newborns' pupils grow from approximately 2.2 mm to an adult length of 3.3 mm. [2] A one-month-old infant can detect a light threshold only when it is approximately 50 times greater than that of an adult. By two months, the threshold decreases measurably to about ten times greater than that of an adult.

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