Republicans won Democratic-held Senate seats in Arkansas, Colorado, Montana, North Carolina, South Dakota, West Virginia and Iowa, moving beyond the six-seat gain they need to win a majority â and even more power to shape the final two years of Obama's presidency.
Skin Diseases That Cause Dark Spots. 1  Melasma: Itâs one of the commonest causes of grayish patches on the face. 2  Riehlâs Melanosis: It causes grayish or brownish patches on your face resulting from hyper-pigmentation. 3  Poikiloderma of Civatte: This mostly affects the neck area that has been exposed to sunâs rays.
a place where the retina is not covered in rods or cones; because the light of an object is sensed by both eyes. what causes the blind spot, and why do we generally not notice it? the rods are more sensitive to light while the cones are responsible for color detection in this activity, you experienced fatigue of the cones, the receptors on the retina responsible for color detection.