“Everything a person is and everything he knows resides in the tangled thicket of his intertwined neurons. These fateful, tiny bridges number in the quadrillions, but they spring from just two sources: DNA and daily life. The genetic code calls… — Thomas Lewis Copy Share Image
For mankind as a whole, a possession infinitely more valuable than individual life is our genetic heritage, our link with past and future... Yet genetic deterioration through man-made agents is the menace of our time... — Rachel Carson Copy Share Image