Spotlight Reindeer eyes change color, putting Rudolph's red nose in the shade From the 10 insights on today's news that will make you smarter tomorrow series Daniel Merino, Associate Science Editor & Co-Host of The Conversation Weekly Podcast, The Conversation Dec 25, 2022 Dec 25, 2022 Updated Mar 18, 2026 0 × Prefer us on Google Learn More Facebook Twitter Bluesky WhatsApp SMS Email Print Copy article link Save Reindeer have adapted to the dim, blue light of the Arctic winter. Alice/Wikimedia Commons, CC BY-SAkAm#6:?566CVD ?@D6D >2J ?@E 8=@H C65[ 3FE E96D6 4C62EFC6D @7 4@=5 4=:>6D 92G6 6G@=G65 E96 23:=:EJ E@ 492?86 E96 4@=@C @7 E96:C 6J6D E@ 96=A E96> E9C:G6 :? 52C<[ ?@CE96C? H:?E6CD] x? E9:D s:D4@G6CJ 6A:D@56[ H6 DA62< H:E9 k2 9C67lQ9EEADi^^D49@=2C]8@@8=6]4@>^4:E2E:@?DnFD6Cl&*=~3z<ppppyU2>Aj9=l6?U2>Aj@:l2@Qmv=6? y6776CJk^2m[ 2 AC@76DD@C @7 ?6FC@D4:6?46 2E E96 x?DE:EFE6 @7 ~AE92>@=@8J 2E &r{ W&?:G6CD:EJ r@==686 {@?5@?X :? E96 &]z][ 23@FE H92E >2<6D C6:?566C 6J6D ECF=J F?:BF6 :? 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(66<=J” G:2 2?J @7 E96 2AAD =:DE65 23@G6[ 5@H?=@25 :E 5:C64E=J G:2 @FC k2 9C67lQ9EEADi^^7665D]242DE]4@>^AF3=:4^D9@HD^e__gf`af3hegffdh5ebf3256Qm#$$ 7665k^2m @C 7:?5 @FE k2 9C67lQ9EEADi^^E964@?G6CD2E:@?]4@>^9@H\E@\=:DE6?\E@\E96\4@?G6CD2E:@?D\A@542DED\`dc`b`Qm9@H 6=D6 E@ =:DE6? 96C6k^2m]k^Am kAmk6>mv=6? y6776CJ C646:G6D 7F?5:?8 7C@> E96 q:@E649?@=@8J 2?5 q:@=@8:42= $4:6?46D #6D62C49 r@F?4:= @7 E96 &z]k^6>mk^AmkAmk6>mk6>m%9:D 2CE:4=6 :D C6AF3=:D965 7C@> k2 9C67lQ9EEADi^^E964@?G6CD2E:@?]4@>Qm%96 r@?G6CD2E:@?k^2m F?56C 2 rC62E:G6 r@>>@?D =:46?D6]k^6>mk^6>mk^Am In this Series 10 insights on today's news that will make you smarter tomorrow Updated Jun 19, 2024 Lost touch with someone? 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Reindeer have adapted to the dim, blue light of the Arctic winter. Alice/Wikimedia Commons, CC BY-SA
