There is the riddle of the Bermuda Triangle. The unresolved identity of Jack the Ripper.
The enigma of how the Universe developed beyond a quark-gluon soup following the Big Bang.
And then there is the Sheepdog Mystery.A puzzle that has niggled mathematical minds for years, the Mystery is this: how does a single dog get so many selfish sheep to move so efficiently in the same direction?
read more Herd mentality: ´Sheepdog mystery´ solved at last – thenews.com.pk.

