Imagine embarking on a journey of thousands of miles, only to find yourself trapped in an icy, unfamiliar landscape. For one endangered sea turtle named “Lucky,” this nightmare became a reality last year on the frigid shores of Nova Scotia. As the world watches these ancient mariners face increasing threats, scientists are racing against time to unravel the mystery of why these tropical travelers are ending up so far from home. The Heartbreaking Reality of "Cold-Stunning" Sea turtles are the nomads of the ocean, traversing vast distances to find food, mates, and nesting grounds. However, they are ectotherms—their body temperature is dictated by their surroundings. When they venture into waters that drop below 50°F (10°C), they fall victim to a life-threatening phenomenon known as cold-stunning . Much like a car engine seizing in extreme cold, a cold-stunned turtle experiences a dangerous slowing of its heart rate and metabolism. They become lethargic, lose the abili...
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