There is a common assumption about concealment that is intuitive and mostly wrong.
The assumption is that hiding means matching — that the way to be invisible is to be…
Face recognition feels like a single ability that everybody has, working roughly the same way in everybody.
That impression is wrong in the way most impressions about internal experience are…
There is a small set of sounds that produce a physical reaction in nearly everybody who hears them — a wince, a shudder, a reflex to cover the ears —…
There is a question that sounds naive and turns out to open a real research problem: does everybody divide colours up the same way?
The physical answer is that the…
There is a reported experience so widespread that it barely gets questioned, and the questioning is where it becomes interesting.
The experience is that time accelerates. A childhood summer was…
The starting point is that the front of your eye is a living surface with no blood supply, exposed to open air, that must stay optically perfect. Almost everything below…