Could Jurassic Park become a reality? Will we see woolly mammoths return to roam the Earth? As techniques and technologies improve, scientists are on the verge of bringing extinct species back to life! Jonathan Strickland explains the scientific processes behind de-extinction, and explores the ethical concerns and drawbacks that might arise along the way.If you could bring one species back from extinction, which one would it be and why? Let us know in the comments below!