Baseball's legendary 'magic mud' finally analyzed by scientists (popsci.com)
“When you take a dollop out of it and you put it on your hand, it’s just like a nice facial cream and feels smooth,” study co-author and Penn geophysicist Douglas J. Jerolmack tells Popular Science. “It doesn’t feel gritty at all when it’s a dollop of paste in your hand. It’s after you spread it that it dries and feels gritty.”
According to science, it really is magic.