How to activate the discount: To get the 50% discount on one puzzle, you'll need to add atleast two of the eligible puzzles to your cart. Amazon will apply the discount to your order as you checkout.

Senior Lecturer in Mathematics, Department of Mathematical Sciences, City St George's, University of London Mathematics is a “science which requires a great amount of imagination”, said the ...

The Toronto Raptors were struggling early, but they pulled out a win just in time to beat the Orlando Magic. The Toronto Raptors are throwing a party after a 107-106 victory against the Orlando Magic ...

The Green Bay Packers will close the regular season at home against the Ravens and at the Vikings. One Packers victory – or a little help – will get the Packers back into the postseason. GREEN BAY, ...

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The NFL playoff picture continues to take shape in the NFC in Week 17 on Dec. 20 as two Saturday games could decide two divisions. Philadelphia can clinch the NFC East with a win over the Washington ...

A research team at the Facility for Rare Isotope Beams (FRIB) is the first ever to observe a beta-delayed neutron emission from fluorine-25, a rare, unstable nuclide. Using the FRIB Decay Station ...

Charlie Munger didn't believe in shortcuts — but he did believe in thresholds. And if you ever asked how to get rich, he had a number ready: $100,000. Hit that, he said, and you'll have the momentum ...

Isabel O’Brien is an experienced business journalist who specializes in private equity, infrastructure, and financial misconduct. Delmaine Donson / Getty Images While many Americans consider $1.5 ...