Research is the labor of finding knowledge (and information), either where it was hidden, hard to reach, or unknown. Research usually means empirical research.
... is very cold. At Dui the average yearly temperature is only 33.0° F (January 3.4°; July 61.0°), 35.0° at Kusunai and 37.6° at Aniva (January, 9.5°; July, 60.2°). At ...