Obama, Hiroshima, apologies, and the invisible victims of the atomic bombings

When Barack Obama becomes the first serving US president to visit Hiroshima on May 27, there is one group of atomic bomb survivors who will certainly not be there to watch his motorcade drive through the city. These are the North Korean victims of the atomic bombing, a group whose existence remains virtually unknown and unmentioned in the heated international debates about the North Korean nuclear threat.


Is artificial intelligence really an existential threat to humanity?

Superintelligence: Paths, Dangers, Strategies is an astonishing book with an alarming thesis: Intelligent machines are “quite possibly the most important and most daunting challenge humanity has ever faced.” In it, Oxford University philosopher Nick Bostrom, who has built his reputation on the study of “existential risk,” argues forcefully that artificial intelligence might be the most apocalyptic technology of all.


Voices of Tomorrow and the Leonard M. Rieser Award

In its Voices of Tomorrow feature, the Bulletin of the Atomic Scientists invites graduate students, undergraduates, and high school scholars to submit essays, opinion pieces, and multimedia presentations addressing at least one of the Bulletin's core issues: nuclear weapons, nuclear energy, climate change, biosecurity, and threats from emerging technologies.

See all Voices of Tomorrow articles.


How to respond to science-denial trolls

As a researcher writing about climate science denial, I am a magnet for online trolls. Climate change is an issue over which a small but vocal minority persists in rejecting and attacking the scientific consensus, specifically the finding by 97 percent of experts that humans are causing global warming. When I turn the spotlight around to expose the techniques of science denial, the reaction can be intense.