The Planning Fallacy

Professor McGonagall opened her mouth, then closed it. The witch rubbed the bridge of her nose, looking thoughtful. "Mr. Potter... if I were to offer to listen to you for a while... is there anything you'd like to talk to me about?" "About what?" "About why you're convinced you must always be on your guard against terrible things happening to you." Harry stared at her in puzzlement. That was a self-evident axiom. "Well..." Harry said slowly. He tried to organise his thoughts. How could he e...

 Witches Own Nothing

“Well, that seems kinda precipitate. Seems to me a man should have a choice whether to take up arms or not.” “We have no more choice in that than in whether or not to be born.” “Oh, I like choice, though,” he said. “I like choosing the jobs I take and the places I go and the food I eat and the companions I sit and yarn with. Don’t you wish for a choice once in a while ?” Serafina Pekkala considered, and then said, “Perhaps we don’t mean the same thing by choice, Mr. S...

 The Boundary of Life

The harder we look at the border between life and non-life, the more elusive does the distinction become. Life, the animate, was supposed to have some sort of vibrant, throbbing quality, some vital essence - made to sound yet more mysterious when dropped into French: elan vital. Life, it seemed, was made of a special living substance, a witch's brew called 'protoplasm'. Conan Doyle's Professor Challenger, a fictional character even more preposterous than Sherlock Holmes, discovered that the ...