Welcome to the wacky world of Welsh rugby, Warren, and good luck... you're going to need it!

BBC: The tests facing Gatland

This is because, in the wacky world of quantum physics, light is wavy as well as particulate.

ECONOMIST: Microelectronics grows up

In the wacky world of quantum physics, however, it is not always impossible to work out what a particle once was but no longer is.

ECONOMIST: The arrow of time

He also made regular appearances on The Tonight Show with hosts Jack Paar and then Johnny Carson, The Andy Williams Show and his own TV variety shows - The Jonathan Winters Show and The Wacky World of Jonathan Winters - in the late 1960s and early 1970s.

BBC: Mork and Mindy star Jonathan Winters dies at 87