If you’re a fan of pirate movies, you may be familiar with the term scurvy dog. It’s a curse, typically levied at a pirate who sank below even the already lowly standards of allowed piratical behavior. What does it mean? Well, “dog” is self evident, but scurvy? Learn more on this Moment of Science.
Contortionists are not able to bend their bodies in extraordinary shapes because they are double jointed, instead they are flexible in several key joints.