Dolly and her fibroblast-derived cousins have changed forever the way we think about animal development. Cells in mature animal tissues are not, as we had thought, irreversibly differentiated. Understanding differentiation is the key to understanding development, and Dolly embodies the extraordinary possibility of manipulating the process--of doing experiments to identify the basic construction rules used in putting animals together.
TODAY IN SLATE
More Than Scottish Pride
Scotland’s referendum isn’t about nationalism. It’s about a system that failed, and a new generation looking to take a chance on itself.
What Charles Barkley Gets Wrong About Corporal Punishment and Black Culture
Why Greenland’s “Dark Snow” Should Worry You
Three Talented Actresses in Three Terrible New Shows
The Human Need to Find Connections in Everything
It’s the source of creativity and delusions. It can harm us more than it helps us.
Happy Constitution Day!
Too bad it’s almost certainly unconstitutional.