Whether it’s one or all of your knuckles, you may wonder what causes the cracking sound. Although interesting, “cracking joints” and “popping knuckles” are not fully understood.

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ATLA Image The State Department notified Congress this week of a potential $200 million foreign military sale to support Japan’s Hyper Velocity Gliding Projectile program – an indigenously ...

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A grandfather tragically plunged to his death during a hang gliding flight in southern Brazil. Ricardo Stecanella, 52, was taking off from a mountain near a highway known as Serra de Rocinha in ...

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This saw his gliding ability used to explore areas ... the case throughout the Sonic the Hedgehogfranchise. While Knuckles the Echidna was Sonic's first rival, his most iconic foe was not ...