The cràcking sound your joints make is the sound of gases being released
Some people love it and some people hate it, but what is it that makes joint cràcking so loud? When joints are stretched, the pockets of gas that get trapped between them are released. When these bubbles of oxygen...
Crocodiles are one of the oldest living species, having survived for more than 200 million years
Scientists still aren't sure how, but crocodiles managed to outlive dinosaurs by 65 million years. In fact, crocodiles have always been so well-designed for survival, that modern crocodiles are...