Santa Claus is a master of the multiverse

How does Santa Claus deliver toys to roughly 132 million homes in only 31 hours of darkness? Well, it certainly isn’t magic. The real answer lies in quantum mechanics





The Counter Ruck

The Counter Ruck

Sign up to the Irish Times weekly rugby digest for the view from the press box with Gerry Thornley


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How does a post-Brexit world shape the identity and relationship of these islands