What are the possible side effects of memantine (Namenda)? Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using memantine and call your doctor at once if you have any of these serious side effects:
only three atoms were produced, which is less than any other element. for the last time, diamonds are not the most expensive elements on earth, they are just a form of carbon. no form of carbon is the most expensive element on earth. a diamond sized piece of eka-radon would be worth millions.
From a diamond-studded watch containing 874 sparkling little gems to a yacht made from pure gold, these are 15 of the most expensive things ever sold. 1. Feather of a Huia bird - $10,000. This is the most valuable feather in the world, since it once belonged to a Huia bird, which is now extinct.