a 5-min video with neuroscientist Beau Lotto about how we cannot accurately know reality through our senses, but we perceive what we've learned to perceive and what is useful for us to function in the world; he uses examples including colour; some technical explanations that physics students might like
"A man who found a multi million-euro winning lottery ticket in La Coruna, Spain said he would not have been able to sleep if he had claimed the prize."
