Do you have prostate problems? Learn about ways to combat prostate cancer on this Moment of Science.
The human skeleton offers great insight into a person’s life. It will show the signs of disease, malnutrition, and injuries, as well as aging and sex. Experts can identify a skeleton’s sex by looking at two key areas: the skull and the pelvis.
The most important part of a seat belt is the spool’s locking mechanism–a device that makes the belt hold tight in the unfortunate event of a crash. The locking mechanism is activated either by the car’s movement or by the belt’s movement.