Elise studied marine biology at the University of Portsmouth in the U.K. She has worked as a freelance journalist focusing on the aquatic realm. Elise is working with Live Science through Future Academy, a program to train future journalists on best practices in the field.
Greenland sharks can live for hundreds of years, but scientists have never understood why. Now, researchers may have finally discovered the secret to the animals' startling longevity: their never-changing metabolism. The surprising finding goes against scientists' previous assumptions and could have major implications for how these animals adapt to climate change.
"This is important for us as it shows the sharks don't show traditional signs of aging," study lead author Ewan Camplisson, a doctoral student at the University of Manchester, told Live Science in an email.Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.
The team then measured the activity of five different enzymes in the samples to work out their metabolic rate and their response to different environmental temperatures. "In most animals, you would anticipate seeing some enzymes have reduced activity over time as they degrade and become less efficient," Camplisson said. But this is not the case with Greenland sharks.
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