The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Matthew Gebert

Bounty flyer offering $25 million for information about al-Qaeda leader Ayman al-Zawahiri. Photo credit: US State Department

Why al-Zawahiri’s death should focus attention on nuclear terrorism—foreign and domestic

By Scott Roecker, Nickolas Roth | Analysis, Nuclear Risk, Nuclear Weapons