Photo: Bioluminescence

Bioluminescence causes the sand to glow on the island of Mjorn, Sweden. Organisms such as fireflies and anglerfish produce a fluorescent glow by releasing the chemical luciferin, which reacts with oxygen to create light.

Picture: Lukasz Warzecha/Caters

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  • angrymike

    Now that’s really cool !!!!!! 😉

    • Frau Katze

      It is very striking.

  • AlanUK

    Good choice, Frau Katze!

  • I saw an exhibit in Ottawa where a fish lit up like a spark from a match.

    Nature is amazing, is my point.