馴鹿的鼻子會發亮嗎？小編今天才知道耶...
（是因為要幫耶誕老公公照路吧:p）
Scientists have attempted to answer the age old question - why is Rudolph's nose so bright?
A paper published in the British Medical Journal claims his bright nose is "due to the presence of a highly dense and rich nasal microcirculation."
Watch a video of a reindeer on a treadmill here: http://bit.ly/RCC5WB
Read the journal paper here: http://bit.ly/UAKcPM
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