Round 8: Tossup 9

Michiko Ueda claimed lights of this color at Japanese train stations cut suicides by 84%. Incomplete data or fraud may be responsible for “zones” named for this color, (-5[1])such as Okinawa (15[1])Prefecture. Shuji Nakamura used epitaxy (15[1])to make gallium nitride crystals used in (15[1])LEDs of (15[1])this (15[1])color. (15[2])This is the alphabetically first of two colors that the word ao (“ah-oh”) refers to. Some traffic lights in (*) Japan use this color (10[2])because Japanese (10[1])does not (10[1])clearly distinguish it from green. (10[2])Cobalt (10[1])glaze of this color was paired with white in porcelain typical of the Yuan and Ming dynasties. For 10 points, lapis lazuli was used to produce (10[1])the ultramarine variety of what color? ■END■ (10[1])

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