The most successful concert tour of 2007 is The Police
Reunion Tour that still hasn't ended.
As of the tours that have ended in 2007, the most successful one
is Back to Basics Tour by Christina
Each day there are breakthroughs and discoveries in science!
Take for instance the knew inventions being done with surface
chemistry since 2007. These new inventions impact how iron rusts,
how fuel cells are working in our vehicles, and how catalysts are
converting in our cars.