Caribou expert Layne Adams discusses the lives of reindeer — apart from their famous role on Christmas Eve. How they survive the cold.
Modern volcano monitoring in the United States began with the founding of the Hawaiian Volcano Observatory in 1912. Living with volcanoes
Perhaps some of you have already experienced a sweet holiday smooch or two under the Christmas mistletoe, enjoying this fairly old kissing ritual for people. But mistletoe is important in other vital ways: it provides essential food, cover, and nesting sites for an amazing number of critters in the United States and elsewhere.
Although no one is quite sure where the coal for naughty kids custom came from, the truth is that coal has long been a very important part of our daily lives, let alone our holiday traditions. USGS has studied coal for much of our more than 130-year existence.
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