The periodic table is a tabular arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations (electron shell model), and recurring chemical properties.
Tasty drinks like our grandmothers used to do it, they were tasty, easy to make and full of vitamins, let's make a smoothie out of oranges, bananas and apples.
Many times I find myself with a large number of opened tabs in Firefox browsers and thankfully you don't need to close the program in order to close all the tabs except the one I want to keep.
I know a lot of people who do not care for wearing a helmet when on a bike for a common reason of looking silly or it will mess up their hair. This amazing invisible helmet could be quite revolutionary.