In 2006 an Israeli post-doc, Tal Ben Shahar, broke Harvard University's record for having the most popular undergraduate course in its history.
Lord Sacks celebrates the joy of Succot in an extract from the final volume of his edition of the festival prayerbooks
Can you picture a photograph of yourself as an angelic young child?
Instead of congratulations, Jews tend to wish each other "mazeltov" - "good luck" with the emphasis on "good".
THE JEWISH CALENDAR
Do you know the origin of Abracadabra, Bedecken or Chutzpah?