The DNA-encoded catalytic machinery of the cell can rapidly learn to promote new chemical reactions when we provide new reagents and the… — Frances Arnold Copy Share Image
Artificial selection turned the wolf into the shepherd, and the wild grasses into wheat and corn. In fact, almost every plant and… — Neil deGrasse Tyson Copy Share Image
“If artificial selection can make such major changes in so short a period of time, what must natural selection, working over billions… — Carl Sagan Copy Share Image
“In less than ten thousand years, domestication has increased the weight of wool grown by sheep from less than one kilogram of… — Carl Sagan Copy Share Image
“This process is called artificial selection. In the case of the Heike crab it was effected more or less unconsciously by the… — Carl Sagan Copy Share Image
