A new study, published in the journal Science (“Loci associated with skin pigmentation identified in African populations,” 12 October 2017), elucidates the genetic mechanisms controlling human skin ...
Johann Gottlob Kurr, "The Mineral Kingdom" (1859), grayish blue is visible on the iron ore (bottom row, right) (all images from "Nature’s Palette: A Color Reference System from the Natural World," ...
Atmospheric characterization of directly imaged planets has thus far been limited to ground-based observations of young, self-luminous, Jovian planets. Near-term space- and ground- based facilities ...
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