/u/kikikza's posts in /r/askscience
9 upvotes
Mark as read: Add to a list
9 upvotes
Mark as read: Add to a list
Why is it that when a lot of people sing (say, a crowd at a concert) at the same time, they all sound on-key?
7 upvotes
Mark as read: Add to a list
5 upvotes
Mark as read: Add to a list