Auditory processing disorder (also known as central auditory processing disorder or CAPD) is a condition that makes it hard for kids to recognize subtle differences between sounds in words. It affects their ability to process what other people are saying.
Gallium is a solid metal at room temperature, but it melts in your hands. 00:09. When gallium is in its liquid state, if feels like cold melted solder in your hands. 00:33. Melting gallium onto aluminum makes the aluminum brittle enough to break with your fingers.
Cramps in your hand can arise from a number of different causes. Hand cramps develop as a result of conditions affecting muscles and nerves in your hand. Trauma or injury to a nerve in your hand can also cause hand cramps. Even breathing too fast (hyperventilation) can result in hand cramps, as carbon dioxide levels in the blood become too low. Everyday, simple reasons, such as fatigue from overuse, can lead to temporary, acute cramps in the hand.