eHarmony: Interactive Advent Calendar

Welcome to the BBC Worldwide Advent Calendar! We're wishing you the best of the festive season this year with an interactive calendar, and this video forms part of a series of 25 of the best Christmas or Winter-themed videos available on YouTube. Click anywhere on the video to return to the Advent Calendar and open more doors. For more high quality videos, visit http://www.youtube.com/BBCWorldwide. For Friday 4th December, NASA scientists take to the skies above Greenland to take measurements of one of the biggest blocks of frozen water in the world. Taken at five yearly intervals, these measurements are crucial to calculating the effects of global warming. Fascinating clip taken from the BBC Horizon programme Big Chill.

Welcome to the BBC Worldwide Advent Calendar! Were wishing you the best of the festive season this year with an interactive calendar, and this video forms part of a series of 25 of the best Christmas or Winter-themed videos available on YouTube. Click anywhere on the video to return to the Advent Calendar and open more doors. For more high quality videos, visit http://www.youtube.com/BBCWorldwide. For Thursday 3rd December, David Attenborough explains how before man weapons, the Siberian tiger was the most powerful killer on Earth in a clip taken from epic natural history series The Life of Mammals.

Welcome to the BBC Worldwide Advent Calendar! We're wishing you the best of the festive season this year with an interactive calendar, and this video forms part of a series of 25 of the best Christmas or Winter-themed videos available on YouTube. Click anywhere on the video to return to the Advent Calendar and open more doors. For more high quality videos, visit http://www.youtube.com/BBCWorldwide. For Saturday 5th December, Rick Stein meets up with food writer Matthew Fort who shares the joy of cold roast goose served a simple salad of a chopped fennel bulb, mandarin oranges and olive oil. Great festive recipe idea from the BBC cookery programme Rick Stein's Food Heroes.