some turtles do breathe through their butts, it turns out (#296)

trivia.json

@@ -10,5 +10,6 @@
   "The first ice cream cone was made at the 1904 World Fair in St. Louis.",
   "Scientists in Seoul, South Korea, created the first cloned dog in the world–Snuppy–from the DNA of an Afghan hound in 2005.",
   "Cabbage, broccoli, cauliflower, brussels sprouts, collards, and kale were all created by selectively breeding the same species of wild cabbage, Brassica oleracea.",
-  "Turtles do not, in fact, breathe through their butts, as reported in Frozen 2. Some species can, however, use their butt muscles to expand and contract their lungs, which they cannot do with their ribcages, fused as they are to their shells. Some other species pump their lungs with their legs."
+  "Turtles do not, in fact, breathe through their butts, as reported in Frozen 2. Some species can, however, use their butt muscles to expand and contract their lungs, which they cannot do with their ribcages, fused as they are to their shells. Some other species pump their lungs with their legs.",
+  "The trivia fact about turtles not breathing through their butts is not entirely accurate. Some turtles do, in fact, <https://www.pbs.org/newshour/science/the-secret-to-turtle-hibernation-butt-breathing|breathe through their butts>."
 ]