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.

Tis the season for putting up Christmas trees in our homes and ... So much so, that this year, people have been resorting to getting electronic trees to do the hard work for them.

The Christmas Tree is the NHRA's electronic starting device that uses calibrated LED lights that produce a visual countdown for each pro driver in a pairing. The NHRA tree uses blue, amber and ...