Buy AumSum Merchandise: https://bit.ly/3srNDiG Website: https://www.aumsum.com/ Timecodes : 0:00​ - Why does a turmeric stain turn red? 1:34​ - Why is the upper surface of a leaf more green and shiny than the lower surface? 3:15​ - Why do we see lightning before thunder? 4:27​ - Why do we use a black umbrella in summer? 5:31​ - Why are cloudy nights warmer than clear nights? 6:43​ - Why is curd not stored in copper containers? 7:58​ - Why is a laboratory thermometer not used to check body temperature? 9:12​ - Why does a Touch Me Not plant close? 10:31 - Why is water used in hot water bags?