Quote by John Gurdon
"In biological systems, as in life, second chances are rarer than we'd like to admit."
More from John Gurdon
"It is by universal that we know anything about the world."
"The nucleus of a differentiated cell can support the development of a normal tadpole."
"We must learn to think differently about what is possible in biology."
"Nuclear transplantation showed that the genome of specialized cells remains intact."