They would transform the grid--if they can exist at all
Will the overdue Big One tear California asunder?
A local conflict could produce a global nightmare
What happens when robots start calling the shots?
It would solve environmental headaches, but it remains hard to achieve
The world's biggest particle collider might uncover new slices of space
Synthetic biology remakes organisms, but can it bring inanimate matter to life?
The process is extremely difficult, but it also seems inevitable
An extinction-level event is unlikely, but "airbursts" could flatten a city
A booming market for a counterfeit beauty product could put a deadly biological weapons agent in the wrong hands
João Zilhão defends his controversial view that our oft-maligned relatives shared our cognitive abilities
Machines could absorb carbon dioxide from the atmosphere, slowing or even reversing its rise and reducing global warming
Interventions before symptoms appear could be key to slowing or stopping the leading cause of dementia
The concepts of time and change may emerge from a universe that, at root, is utterly static
- From the Editor