Humphry Davy, before he became President of the Ro...  ...f by inhaling large amounts of nitrous oxide, the laughing gas that dentists use today. Beginning in April 1799,...  ...monies and also, by his own account, inhaling the gas himself three or four times a day. The laboratory...  ...red the consciousness-ex...

What do you get when you cross Grumpy Cat with Chemistry Cat? Pure Au, my friends. Olga Shvartsur drew this piece of brilliance: Link...