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January 30, 2018 06:16 am PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/-3YIEbPfgVg/ancient-trilobites-had-eyes-ma.html
Ancient trilobites had eyes made of crystals
Fun fact: trilobites were able to see thanks to eyes made of calcite instead of soft tissue. YouTuber Thunderf00t shows off a cool fossil and explains the phenomenon. (more…)
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/-3YIEbPfgVg/ancient-trilobites-had-eyes-ma.html
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