In the second session the focus switches to the presents underneath the Christmas tree and Victorian toys in particular. Warm up: skipping through the space. Travelling as sweets: contrasting ...

This year is all about Richard Curtis' career firsts. The rom-com titan has now made his music-video directorial debut ahead of the premiere of his first animated film, "That Christmas." Curtis ...

The trunk of each 'Christmas tree' (a transcription unit) represents a DNA molecule; the tree branches (granular strings attached to the DNA) are RNA molecules that have been transcribed from the DNA.