Bees have a built-in system a bit like GPS and this helps them find their way back to their hives.

蜜蜂体内有一种类似于全球定位系统的系统，这帮助它们找到返回蜂巢的路。

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"It works a bit like an aerosol," says Professor Steve Field, chair of the Royal College of GPs. "When someone sneezes, droplets fly from the nose and mouth."

“它的作用有点像喷雾，”皇家学院教授史蒂夫·菲尔德说“当某人打喷嚏的时候，液滴从鼻和口飞出。”

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There are some other GPS antenna technologies (chip, helical), but they are not as common, a bit more expensive, and require significantly more amplification and filtering.

还有一些其他的GPS天线技术(芯片，螺旋)，但它们并不常见，有点贵，需要大大增加放大和过滤。

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Cramming superfluous (or useful) extras into GPS receivers definitely isn't new, but Mainnav's trying to go out a bit further on that limb by adding an interesting feature that could actually be put to good use in the right situation.

ENGADGET: Mainnav MG-920 Bluetooth GPS receiver touts FM transmitter