Though reindeer, like people, live in the valleys below the mountains, on hot summer days they go into the mountains, where the snow patches keep the shaggy creatures cool and the mountain air is free from pesky bugs. Their predictable habits must have made them easy prey for ancient hunters.
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The oldest of the arrows was 5,400 years old. The bow and arrow design is strikingly similar to those found in other frigid locales, such as the Yukon. Though people from these two far-flung regions never met, they seemed to have separately developed similar adaptations.
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Tia has interned at Science News, Wired.com, and the Milwaukee Journal Sentinel and has written for the Center for Investigative Reporting, Scientific American, and ScienceNow. She has a master's degree in bioengineering from the University of Washington and a graduate certificate in science writing from the University of California Santa Cruz. To find out what her latest project is, you can follow Tia on Google+.