Most traditions are time tested and are part of custom because of the knowledge that they are based on. Then some more were added by ignorant beings over the past few centuries. Now its difficult to find the scientific basis of all because science is also limited knowledge. But here are the few which have been explained and understood. Doctors with MBBS degrees said turmeric was pigment, a colouring agent in food and not required. Turmeric has been used in India for over thousands of years in food, bath, religious rituals etc., Only in the last decade scientists found that it was the greatest anti-oxidant, something that can even fight cancer. In India, people with janeyu (the thread across body) circled it around their earlobe before answering nature's call. Now, it was not to lift it up or to prevent it from entangling it with something. Scientists did the research and found that when back of the earlobe is pressed then it eases bowel movement. I tried it this morning and it...
"Sofar" captures the distance traveled so far from now.