What’s happening when our joints crack and is it bad?

What’s happening when our joints crack and is it bad?

We’ve all had the experience of standing up and hearing a loud pop in our back or hip, or trying to tiptoe through the house only to have our foot make a cracking sound each time we take a step. So what’s happening in our joints when this happens, and is it a bad sign?

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The science of anatomy is undergoing a revival

The science of anatomy is undergoing a revival

"Researchers have also solved the mystery of how monitor lizards got venom glands. They have discovered that lunge-feeding whales have a special sense organ in their chin that helps them engulf vast amounts of food. And like the whales, it seems crocodiles have sense organs in their jaws, which can detect vibrations in the water."

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