It is sometimes also caused by dry eyes, meaning that your tear ducts are not producing enough fluid, or you have been exposed to a lot of wind or sun â and itâs also sometimes caused by smoke, chemicals or allergies. It is characterized by general redness (or pinkness) around the eyelid and the surface of the eye.
If you go by IMF, China is a developing country. You can see why. The difference between China and US is 10x in per-capita incomes, while the developed world differ from each other by a factor of 0.1x - 0.2x in percapita incomes. However, this developed/developing dichotomy is outdated and not really useful.
Science and Technology in Ancient China. The history of science and technology in China is both long and rich with many contributions to science and technology. In antiquity, independently of Greek philosophers and other civilizations, ancient Chinese philosophers made significant advances in science, technology, mathematics, and astronomy. The first recorded observations of comets, solar eclipses, and supernovae were made in China.