Fair warning: the video below features HD footage of a freshly dissected human brain. Not surprisingly, it's a little graphic – but it's also 100% fascinating, not to mention it shows a brain very different from the one you're probably imagining.
Top photo via 2eat2drink
Ask yourself what a human brain feels like. Most of us would probably describe it as heavy, and that's certainly true (the average person's brain matter tips the scales at about 3 pounds). But what of its consistency? What does a mass of tens of billions of neurons feel like to the touch?