Who’s on First?

ENCORE Being first counts in science. Land that coveted spot and you´ll make history, whether it´s with the first steam engine or the discovery of our earliest human ancestor.

But what does "first" mean when technological invention so heavily builds on what´s come before… and evolution represents continuous change?

Find out how "publish or perish" made Darwin famous… why we´ll never find the first human fossil… and how powerful new telescopes are allowing us to see the earliest galaxies.

Plus, the chicken and egg battle it out in line.

Guests: