"What we’ve found is a really great biological mechanism that’s totally unique and bizarre—and makes perfect sense," said Professor Glen Jeffery (ÐÂÏã¸ÛÁùºÏ²Ê¿ª½±½á¹ûInstitute of Ophthalmology) after discovering why the tapetum lucidum layer in reindeers' eyes seasonally changes colour.
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