
Biotechnologies already on the horizon will enable us to be smarter, have better memories, be stronger and quicker, have more stamina, live longer, be more resistant to diseases, and enjoy richer emotional lives. To some of us, these prospects are heartening; to others, they...

Biotechnologies already on the horizon will enable us to be smarter, have better memories, be stronger and quicker, have more stamina, live longer, be more resistant to diseases, and enjoy richer emotional lives. To some of us, these prospects are heartening; to others, they...