There is no good scientific reason to bring back an extinct species. Why would one bring them back? To put them in a theme park? — Hendrik Poinar Copy Share Image
With enough money and international coordination, we can push incoming asteroids out of Earth's path. We might even be able to bring back extinct animals in the lab. The problem really isn't scientific - it's cultural. We aren't yet able… — Annalee Newitz Copy Share Image
