Gout causes a painful, swollen joint that's so severe that the weight of bed sheets can cause distress. There may also be more than one joint affected with gout. With gout, uric acid -- a normal chemical in the body -- forms crystals that deposit in the joints, causing inflammation and pain.
China has been the source of many innovations, scientific discoveries and inventions. This includes the Four Great Inventions: papermaking, the compass, gunpowder, and printing (both woodblock and movable type). The list below contains these and other inventions in China attested by archaeology or history.
So we put together for you a list of 10 surprising Chinese inventions you didnât know were Chinese, ranked from the least to the most surprising. Ready to see what was invented in China? Prepare to be amazed! #1 The most fascinating of all the Chinese inventions: the Compass. The first item on our list of ancient Chinese inventions is the compass. Itâs one of the åå¤§åæ sÃ¬ the 4 great Chinese inventions, but people tend to forget about it.