100 REASONS to become a scientist or an engineer

[...]I am very grateful to have been able to return to science policy work and use my chemistry training to help bring good research to decision makers, in order to protect our health and environment from hundreds of millions of pounds of toxic chemicals in consumer products. Over the years, I realized that deducing the Earth's history is like solving a sudoku puzzle. Because we live on a dynamic planet, much of the evidence of the Earth's evolution has been obliterated by the ravages of time, like the blank squares in a sudoku puzzle. [...]my kids set the direction of my unusual approach to paleontology: Because I didn't have the option of doing frequent field research, I took my love of biology and dinosaurs into the lab.