I am no expert, but I had once watched an experiment on national geographic that once you cut a plant using scissors, the regular beautification and trimming, a plant would react to that experience as a danger signal. read more
Trees are regularly struck by lightening and typically break a portion off and sometimes start HIGE fires because of that lightning strike. Reaching back + 20 yrs, I actually did I science fair project in elementary school on electrolysis. read more