The Doomsday Clock reveals how close we are to total annihilation
By Kristen Rogers, Megan Marples and Rachel Ramirez, CNN (CNN) — The Doomsday Clock that has been ticking for 77 years is no ordinary clock — it attempts to gauge how close humanity is to destroying the world. On Tuesday, the clock was again set at 90 seconds to midnight — the closest to the
Continue Reading