Trolley Dilemma

People in a "vegetative state" are awake yet unaware. Their eyes can open and sometimes wander. They can smile, grasp another's hand, cry, groan or grunt. But they are indifferent to a hand clap, unable to see or to understand speech. Their motions are not purposeful but reflexive. They appear to have shed their memories, emotions and intentions, those qualities that make each one of us an individual. Their minds remain firmly shut. Still, when their eyelids flutter open, you are always left wondering if there's a glimmer of consciousness.

A new Banksy has been removed from the wall and is 'held hostage' by a youth club that wants to raise money by letting the public view it. Ethical? Shouldn't art be public? Should we respect Banksy's views? As much as I would love to hang up his visual satires on my wall, they should stay on the public wall, really.

A short TED-ed lesson on conlangs - constructed languages. Questions the nature and definition of language, subsequently exploring the development of Elvish by J.R.R. Tolkien.