Columns

Stem cell therapy may soon be coming to a doctor's surgery near you. Adam Hart-Davis discusses the basics, ethics, and future of this potential miracle cure.

Today's newspapers rely heavily on the power of their headlines. Susie Dent looks at the most inventive and ingenious puns of recent years.

Do you have a Satellite Navigation system in your car? Have you ever wondered how it works? Johnny Ball explains the extraordinary maths behind the modern gadget.

Adam is a photographer, writer, and broadcaster, who has presented over 200 television programmes (including What the Romans did for us), radio programmes, and written several books on science and history.

Susie is the resident word expert on Channel 4’s Countdown programme as well as the author of several books on language change and new words, including The Language Report, published annually by Oxford University Press.

Johnny Ball is a BAFTA-award winning popularizer of mathematics and sciences whose television shows included Think of a Number and Johnny Ball Reveals All. He continues to make appearances and lectures throughout the country.

Recharge your brain with a heady brew of Encarta's best quizzes, lists, memorable quotes, and more—all in one place! Find some food for thought.