One of the best things about living in London is the pervasive and efficient train network, affectionately known as the Tube. You can get just about anywhere in this sprawling metropolis by train and it’s my favorite way to travel around the city.

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I’ve been teaching a class at the University of Surrey in South London. During a recent lab session, a friendly student named Satish Ranganathan Mohan approached me with a question and I noticed the most exquisite hand-written diagram and calligraphy I’ve ever seen.

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Whether you’re a long time fan of Jeopardy! or not, you have to appreciate Harvey Silikovitz, who, despite having Parkinson’s Disease, won the notoriously challenging quiz show last Monday after a 24 year journey.

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