Specifically in the human lineage the transcription factors are changing or evolving in their expression at a faster pace than in the other lineages, particularly as compared with chimps.
When we launched (Lean Cuisine), it was all about low calories, leg warmers and Jane Fonda. Then it was about low cholesterol and low fat - the cycles are happening faster and faster.
This is about getting the government to move faster in times of emergency and it's about saving lives,