[Steve_Seattle]

"The most popular is that cats are instinctively drawn to boxes because they offer security and shelter from predators while they stalk their prey."

That would have been my uneducated guess. I wonder how much money the scientists spent on this, and why they aren't spending their time on something more important.

[Delta Dawn]

I wonder how much money the scientists spent on this, and why they aren't spending their time on something more important.

You mean like, why do dogs lick their butts?