Essential video portal focusing on human nature, promoting healthy skepticism, critical thinking and reason.

John Lloyd: What’s invisible? More than you think


Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd’s classic TEDTalk from 2009, which will make you question what you actually know.

[Source: TED-Ed You Tube channel]